08/05/2026

Canberra’s Climate Blind Spot: A Capital City Planned for Yesterday’s Weather - Lethal Heating Editor BDA

A city built for mild seasons now faces conditions
it was never designed to endure
Key Points
  • Planning rules still rely partly on climate conditions from cooler decades 1
  • Heat and intense rainfall are exposing weaknesses in roads drainage and housing 2
  • Government systems struggle to match the speed of climate science 3
  • Insurance pricing increasingly signals higher climate risk 4
  • Canberra’s reputation as a cool city no longer matches temperature trends 5
  • Bushfire smoke heat and drought are colliding in new ways 6

Planning for a climate that has already changed

On summer evenings, heat now lingers across Canberra long after sunset. 

The lake still reflects the parliamentary triangle and the broad avenues remain orderly, but the city feels warmer than it once did. 

Houses designed to hold warmth through freezing winters increasingly trap heat overnight.

Much of Canberra’s planning system still draws from historical climate records collected during cooler decades. Those datasets shaped assumptions about rainfall, seasonal extremes, and the frequency of dangerous heat. Climate projections have moved sharply since then, but many planning standards still reflect older conditions [1].

Scientists from CSIRO and the Bureau of Meteorology regularly update projections for inland southeastern Australia. Extreme heat days are expected to increase, warm nights are becoming more common, and heavy rainfall events are projected to intensify. Yet infrastructure planning often continues to rely on moderate scenarios rather than high-end warming pathways [1].

Officials and researchers describe quieter disagreements behind the scenes. Climate scientists argue that infrastructure approved today must withstand conditions decades into the future. Treasury departments and planners often weigh immediate costs, political pressure, and housing demand more heavily.

The gap matters because Canberra’s growth continues at speed. New suburbs spread westward and northward into hotter landscapes with less established canopy cover. Decisions made now will shape how hundreds of thousands of residents experience heat for decades.

Infrastructure built for another era

Canberra’s roads, drains, and suburban layouts were largely designed around weather patterns from the late 20th century. Sudden downpours now dump heavier rain onto hard urban surfaces, sending water rapidly into drainage systems. Engineers increasingly warn that some infrastructure is approaching the limits of its intended capacity [2].

Eastern Australia has already seen how quickly extreme rainfall can overwhelm cities. Canberra has largely avoided catastrophic urban flooding, but intense storms have produced more frequent flash flooding and erosion events in newer developments. Local authorities face mounting pressure to upgrade drainage networks built for milder rainfall patterns.

Heat attracts less attention than floods or bushfires, but it reaches further into daily life. Roads soften during prolonged heatwaves, rail lines expand, transformers overheat, and electricity demand surges as air conditioners run through the night. During consecutive days above 40 degrees, those pressures can arrive simultaneously.

Newer suburbs often intensify exposure. Treeless streets in parts of Gungahlin and Molonglo absorb heat through dark roofs, asphalt, and concrete footpaths. Residents describe stepping outside after sunset and still feeling warmth radiating from the ground.

Building codes have improved energy efficiency, but passive cooling remains uneven. Many homes rely heavily on mechanical cooling because they were designed around older temperature assumptions. Retrofitting those houses later is usually expensive.

Urban tree planting has become central to Canberra’s climate strategy. Mature trees lower surface temperatures, provide shade, and reduce heat stress during extreme weather. Maintaining canopy cover becomes harder as hotter summers and water scarcity place growing pressure on vegetation.

Governments moving slower than the climate

The ACT Government publicly acknowledges climate risk and promotes ambitious emissions targets. Translating climate science into enforceable planning standards is slower and more politically difficult. Regulatory change often takes years, particularly when reforms affect development costs or housing supply [3].

Responsibility is divided across agencies and levels of government. Federal departments shape national climate policy while local authorities manage roads, housing, drainage, and emergency planning. That structure can blur accountability when standards prove inadequate.

Officials describe constant pressure to balance long-term resilience against immediate economic and political demands. Developers resist stricter requirements that increase construction costs. Governments worry tougher standards could worsen housing affordability during rapid population growth.

Climate science also moves faster than regulation. Updated projections emerge regularly, but planning laws cannot be rewritten every few years. By the time reforms are introduced, the science may already have shifted further.

Public statements increasingly acknowledge worsening climate risk. Yet planning frameworks sometimes continue to rely on moderated assumptions that understate future extremes. Critics argue this leaves governments preparing for a climate that has already disappeared.

Insurance markets are already responding

Insurance companies rarely wait for governments to update planning laws. Catastrophe models are revised as new climate data emerges, allowing insurers to price risk more quickly than public agencies [4].

Across Australia, premiums have climbed sharply in areas exposed to floods, bushfires, and severe storms. Canberra has avoided the extreme insurance pressures seen in northern flood zones, but bushfire risk around the capital increasingly shapes assessments of suburban exposure.

These changes are beginning to affect household finances. Higher insurance costs influence mortgage lending, investment decisions, and long-term property values. Markets can shift long before governments formally redraw risk maps.

Financial institutions now treat climate exposure as an economic issue rather than a distant environmental concern. A rapid repricing of risk could leave some households vulnerable in suburbs still considered relatively safe under existing planning assumptions.

The insurance sector may also hold more detailed climate risk information than some planning authorities. High-resolution modelling allows insurers to identify vulnerabilities at street level. That creates the possibility that private markets are reacting to dangers not yet fully reflected in public policy.

The fading myth of the cool capital

Canberra still thinks of itself as a cold-weather city. Winter frosts remain part of the city’s identity, and many residents remember summers that cooled quickly after dark. That memory continues to shape perceptions of risk.

Temperature records tell a different story. Heatwaves are becoming longer, warm nights are increasing, and inland regions are heating faster than several coastal cities [5].

Night-time heat may prove especially dangerous because the body cannot recover from daytime stress. Older residents, renters, and people living in poorly insulated housing face the greatest exposure. Hospitals across Australia already report rising heat-related admissions during prolonged hot weather.

Urban heat island effects deepen those risks. Suburbs with limited canopy cover absorb and retain more heat than established leafy areas. Black roofs, concrete surfaces, and sparse vegetation can push local temperatures several degrees higher.

The differences are increasingly visible across Canberra itself. Inner suburbs with mature trees often remain cooler than rapidly expanding outer estates. Climate exposure is becoming tied to geography, income, and housing quality.

Smoke changed Canberra’s understanding of climate risk

During the Black Summer bushfires, smoke settled over Canberra for weeks. Office towers disappeared behind haze, air purifiers sold out across the city, and residents sealed towels beneath doors to keep smoke outside. The capital briefly recorded some of the worst air quality in the world [6].

The fires altered how many residents understood climate risk. Smoke entered homes, schools, hospitals, and government departments. Extreme weather no longer felt distant or hypothetical.

Urban expansion continues along the edge of bushfire-prone landscapes. New housing developments increasingly sit near grassland and forest interfaces where fire danger can escalate rapidly during hot dry conditions.

Governments still tend to plan for fires, smoke, and heat as separate emergencies. Real events rarely unfold that neatly. Heatwaves can strain electricity networks while smoke keeps residents indoors and emergency services respond to fire threats simultaneously.

Public buildings are not uniformly equipped to function as long-term smoke refuges. Questions remain about how hospitals, schools, aged care facilities, and transport systems would cope during prolonged compound events.

Water pressure in a designed landscape

Canberra’s landscape was shaped around water. Lake Burley Griffin, irrigated parks, sports grounds, and green corridors define the city’s appearance and identity. Hotter conditions are reducing inflows, increasing evaporation, and placing pressure on water quality [7].

The Millennium Drought exposed the city’s vulnerability to prolonged dry conditions. Water restrictions changed daily behaviour while declining reservoir levels raised concerns about long-term supply security. Future droughts are expected to occur alongside higher temperatures, increasing stress on ecosystems and infrastructure.

Urban greening has become a major cooling strategy because trees reduce surface temperatures and improve liveability during heatwaves. Yet maintaining those landscapes requires water at a time when conservation pressures are intensifying.

Signs of ecological stress are already visible around the city. Dry undergrowth, declining vegetation health, and changing biodiversity patterns increasingly shape reserves surrounding Canberra. Hotter conditions also raise bushfire risk across those landscapes.

Transparency and the limits of foresight

Climate risk assessments now form part of many major infrastructure projects. Access to those assessments, however, remains uneven. Public scrutiny depends heavily on how much information governments choose to release [8].

Independent audits of Canberra’s climate adaptation planning remain limited. Existing reviews often identify gaps between scientific projections and implemented standards. Similar problems appear across Australia, though Canberra’s role as the national capital gives those questions added significance.

Current and former officials occasionally raise concerns about underestimating climate risk. Those debates rarely become public, but they influence internal discussions about planning assumptions and infrastructure standards.

The challenge is not ignorance. Canberra hosts many of the institutions producing Australia’s climate science and policy advice. The deeper problem lies in translating that knowledge into faster and more durable action.

Future proofing or falling behind

A Canberra designed for a much hotter future would look different from the city emerging today. Streets would carry denser tree canopy, homes would prioritise passive cooling, and drainage systems would accommodate more intense rainfall. Some projects already move in that direction, but they remain unevenly distributed.

Delaying adaptation carries long-term costs. Roads, housing estates, pipes, and electricity infrastructure are difficult to redesign once established. Decisions made under outdated climate assumptions can lock cities into decades of higher exposure.

Examples of better practice already exist within Canberra. Water-sensitive urban design, shaded public spaces, and stricter energy performance standards demonstrate how adaptation can be integrated into planning. The challenge is scaling those approaches quickly enough to match accelerating climate change.

If Canberra struggles to align planning with climate science, the implications extend well beyond the capital. Smaller councils with fewer technical and financial resources may face even greater difficulty preparing for worsening extremes.

Conclusion

Canberra sits at the centre of Australia’s climate policymaking while confronting many of the same vulnerabilities affecting the rest of the country. The city’s institutions understand the science in detail, yet translating that knowledge into infrastructure and planning remains uneven.

The consequences are increasingly physical and immediate. Heat now lingers deeper into the night, smoke events disrupt daily life, and infrastructure built for older weather patterns faces growing strain. Climate risk is no longer a distant projection but part of the city’s lived reality.

The deeper challenge is institutional. Governments built around gradual change are confronting conditions shifting faster than planning cycles, infrastructure timelines, and political terms. Canberra’s response may become a measure of how well Australia can adapt to a climate that has already moved beyond the assumptions of the past.

References

  1. CSIRO and Bureau of Meteorology, Climate Change in Australia
  2. Bureau of Meteorology Climate Change Trends and Extremes
  3. Australian Government Department of Climate Change, Energy, the Environment and Water
  4. Australian Prudential Regulation Authority Climate Vulnerability Assessment
  5. ACT Government Climate Change and Adaptation Information
  6. Royal Commission into National Natural Disaster Arrangements
  7. Icon Water Climate and Water Resources Information
  8. Infrastructure Australia Climate Resilience Guidance
  9. IPCC Sixth Assessment Report Working Group I
  10. CSIRO Climate Science Research

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07/05/2026

In Australia Climate Moves Faster Than Forests Can Follow - Lethal Heating Editor BDA

Australia risks losing a living Gondwanan lineage within decades

Key Points
  • Cloud bases are rising reducing moisture input to high elevation forests 1
  • Antarctic Beech faces physiological stress from heat drought and declining cloud immersion 2
  • Loss of cloud forests threatens regional water cycles and downstream ecosystems 3
  • Assisted migration offers uncertain survival with ecological and genetic risks 4
  • Governance frameworks lag behind climate driven ecological interventions 5
  • This crisis exposes systemic failure in climate policy and adaptation planning 6

Clouds That No Longer Settle

At dawn in the Border Ranges the forest should be wet with cloud. Instead the air arrives thin and dry, drifting above the canopy. Researchers tracking montane systems in eastern Australia report a measurable rise in cloud base altitude over recent decades [1].

This shift reduces cloud immersion frequency, a critical process that sustains Antarctic Beech forests. Long term observations indicate declines in relative humidity and increases in mean temperatures across these high elevation sites [2]. The change is subtle in any single year but relentless across decades.

Antarctic Beech, Nothofagus moorei, depends on consistent moisture interception rather than deep soil reserves. When cloud contact declines, the trees lose a hidden water source that has buffered them for millennia. The system begins to fail not with fire or flood but with absence.

Thresholds in a Narrow Climate Envelope

The physiology of Antarctic Beech reveals a species finely tuned to cool saturated conditions. Leaf water potential declines sharply once humidity drops below critical thresholds, leading to reduced photosynthesis and increased mortality risk [2]. These thresholds are now being approached more frequently during heat events.

Field studies in northern New South Wales show canopy thinning, leaf desiccation and reduced seedling recruitment. These early warning signals suggest a system under chronic stress rather than acute disturbance. Fragmentation compounds this pressure by isolating populations and limiting genetic exchange.

Pests and pathogens, once constrained by cooler climates, are expanding upslope. Fungal infections and insect herbivory appear more prevalent in stressed stands, though causal pathways remain complex. The drivers interact, making attribution difficult and management uncertain.

Water That Begins in the Air

Cloud forests function as atmospheric sponges. Through cloud stripping, they capture moisture that would otherwise pass overhead, feeding streams and maintaining base flows. This process contributes significantly to regional hydrology in upland catchments [3].

In the Border Ranges and Lamington Plateau, these forests sit at the headwaters of river systems supplying communities downstream. Reduced cloud interception translates into diminished streamflow stability, particularly during dry periods. The effect is incremental but cumulative.

Loss of these forests risks cascading impacts across ecosystems. Lower altitude rainforests and riparian zones depend on consistent moisture regimes. When upland inputs decline, ecological stress propagates downslope, altering species composition and resilience.

Deep Time Meets Abrupt Change

Nothofagus moorei traces its lineage to Gondwana, surviving continental drift and glacial cycles. Its persistence reflects adaptability within a stable climatic envelope, not resilience to rapid transformation. The current rate of warming exceeds historical variability experienced by the species [7].

Past climatic shifts unfolded over millennia, allowing migration or gradual adaptation. Today’s changes occur within decades, compressing evolutionary response time. The mismatch between pace and capacity defines the crisis.

This pattern extends beyond Australia. Gondwanan relic ecosystems globally show similar vulnerability, from South American Nothofagus forests to New Zealand cloud systems. The lesson is consistent: ancient lineages are not immune to modern change.

Moving Forests South

Assisted migration has emerged as a contested response. Experimental plantings of Antarctic Beech in cooler southern environments suggest some viability under projected climates [4]. Site selection relies on climate modelling, elevation gradients and soil compatibility.

Early results remain limited, with survival rates varying across microclimates. Genetic bottlenecks present a significant risk, particularly if translocated populations derive from narrow source pools. Maintaining diversity requires careful planning and long term monitoring.

Ecological risks extend beyond the species itself. Introducing Nothofagus moorei into new systems may alter competitive dynamics or disrupt existing assemblages. These interventions are not easily reversible once established.

Ethics in an Altered World

Conservation has long prioritised preserving species within natural ranges. Assisted migration challenges this principle by acknowledging that “natural” conditions no longer exist. The ethical question shifts from preservation to responsibility.

Some argue that human driven climate change justifies intervention. Others caution that selecting species for rescue risks privileging the visible over the ecologically essential. The debate reflects deeper tensions about control and humility in environmental management.

Inaction carries its own ethical weight. Allowing a 180 million year lineage to disappear without attempting intervention raises questions about stewardship. Yet intervention may create new problems that extend beyond current knowledge.

Law Lagging Behind Ecology

Australia’s environmental laws were designed for static ecosystems. Translocation across state boundaries triggers regulatory complexity under frameworks such as the Environment Protection and Biodiversity Conservation Act [5]. These systems struggle to accommodate climate driven movement.

Some planting efforts occur informally, described as “secret” to avoid regulatory hurdles or public backlash. Practitioners face legal uncertainty and reputational risk. Transparency remains uneven.

There is no unified national framework for assisted migration. Governance gaps leave decisions fragmented across jurisdictions, often reactive rather than strategic. The absence of clear policy mirrors the broader adaptation challenge.

Knowledge Systems and Country

Indigenous communities have long understood these landscapes as dynamic systems. Observations of shifting moisture patterns and species behaviour align with scientific findings, though framed within different knowledge traditions. Consultation remains inconsistent.

Relocating species raises cultural questions about place and belonging. Country is not interchangeable, and moving a species can disrupt relationships embedded over generations. These perspectives complicate purely technical solutions.

Integrating Indigenous knowledge offers pathways for adaptive management. It also demands recognition of custodianship and decision making authority. Without this, interventions risk repeating historical exclusions.

Grassroots Responses in a Vacuum

Citizen scientists and local conservationists are stepping into the gap left by slow institutional response. They collect data, trial plantings and share findings through informal networks. Motivation ranges from scientific curiosity to urgency born of witnessing decline.

These efforts generate valuable insights but vary in methodological rigour. Lack of coordination can lead to inconsistent outcomes or unintended ecological impacts. The line between innovation and risk remains thin.

There is potential for citizen led conservation to complement formal science. Realising this potential requires frameworks that support collaboration without stifling initiative. At present, that balance is unresolved.

Policy Failure in Slow Motion

The संकट facing Antarctic Beech forests reflects broader inadequacies in climate policy. Emissions trajectories have not aligned with pathways that would stabilise these ecosystems [6]. Adaptation planning has lagged behind emerging impacts.

Funding for high altitude ecosystems remains limited compared to more visible climate threats. Policymakers often treat these forests as isolated cases rather than indicators of systemic change. This framing constrains response.

Stronger mitigation could have reduced the need for intervention. That window is narrowing, shifting focus toward adaptation and triage. The question is no longer whether change will occur but how it will be managed.

Conclusion: A Narrowing Future

The future of Antarctic Beech forests sits within a shrinking climatic space. Over the next decades, scenarios range from partial persistence in microrefugia to widespread collapse. Each pathway carries ecological and cultural consequences that extend beyond the species itself.

Technological interventions such as artificial misting remain speculative and resource intensive. Genetic preservation may offer a form of continuity, though detached from living ecosystems. Success becomes difficult to define when the original system cannot be maintained.

This story reframes climate change as a present force reshaping deep time. It challenges assumptions about resilience and exposes the limits of adaptation. The decisions made now will determine whether this lineage persists in altered form or joins the growing archive of loss.

References

  1. Rising cloud base heights in montane ecosystems
  2. Climate stress in Australian montane forests
  3. Cloud forests and hydrological cycles
  4. Assisted migration in forest species
  5. EPBC Act overview
  6. IPCC AR6 impacts and adaptation
  7. Rates of climate change and ecological response
  8. Australian climate trends
  9. CSIRO climate research Australia
  10. NSW native plant ecosystems
  11. Ecological tipping points under climate stress
  12. Global change and ecosystem vulnerability

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06/05/2026

How Australian Poetry Charts a Nation’s Climate Reckoning - Lethal Heating Editor BDA

Key Points
  • Climate shifts from identity to crisis in Australian poetry 1
  • Colonial narratives shape early environmental imagination 2
  • First Nations poetry embeds long-standing climate knowledge 3
  • Contemporary forms mirror instability and anxiety 4
  • Urban and rural experiences diverge under climate stress 5
  • Poetry increasingly intersects with politics and public discourse 6

Introduction: Heat as Experience and Warning

In western Sydney, summer temperatures now routinely exceed 40 degrees, pushing human tolerance toward physiological limits and reshaping daily life.

Emergency departments report spikes in heatstroke, dehydration and cardiac stress during extreme heat events, linking climate directly to bodily risk.

This lived intensity echoes through contemporary poetry, where heat is no longer metaphor but an immediate, destabilising force that demands attention.

From Landscape to Liability

Early Australian poetry often framed climate as defining character, not threat, embedding resilience within national identity.

Dorothea Mackellar’s My Country celebrates drought and flood as formative experiences, presenting volatility as something to endure rather than interrogate.

That framing aligns with a broader settler narrative that normalised extremes without questioning their drivers or long-term consequences [1].

By the late twentieth century, poets such as Judith Wright began to shift tone, foregrounding ecological damage and loss.

In Australia 1970, environmental degradation appears not as background but as central concern, anticipating later climate discourse.

This transition mirrors scientific recognition of anthropogenic climate change emerging in the same period [7].

Colonial Vision and Environmental Misreading

Settler poetry often interpreted the Australian landscape through European aesthetic frameworks that struggled to accommodate its ecological realities.

The land appears harsh, unpredictable and alien, reinforcing a perception of endurance rather than understanding.

This perspective aligns with colonial practices that disrupted Indigenous land management systems, including fire regimes that maintained ecological balance [2].

In contrast, Oodgeroo Noonuccal’s We Are Going links environmental degradation directly to dispossession.

The poem frames ecological loss as inseparable from cultural loss, challenging the myth of terra nullius through lived experience.

Such work anticipates contemporary climate justice frameworks that recognise historical responsibility [8].

First Nations Knowledge Systems

First Nations poetry reframes climate not as external force but as relational system embedded in culture, memory and law.

In works by Ellen van Neerven and Ali Cobby Eckermann, land and climate are inseparable from identity.

In texts like White Clay and The Sea Is Not Made of Water, this relationship becomes explicit.

This perspective reflects knowledge systems developed over tens of thousands of years of environmental observation and adaptation [3].

These poems often operate within cyclical conceptions of time, contrasting with linear crisis narratives common in Western discourse.

Climate change appears both as disruption and continuation of colonial impact on land and systems.

Scientific research increasingly validates Indigenous practices such as cultural burning for reducing fire risk and maintaining biodiversity [9].

Form Under Pressure

Contemporary climate poetry frequently departs from traditional lyric forms, reflecting instability through fragmentation and compression.

Amanda Anastasi’s Heat translates physical discomfort into psychological unease, mirroring the cumulative stress of prolonged exposure.

These stylistic shifts parallel broader cultural responses to climate anxiety, particularly among younger generations [4].

Mark Tredinnick’s Flood Damage adopts a narrative structure that accumulates detail, echoing the incremental nature of environmental loss.

Such techniques resemble documentary modes, blurring boundaries between poetry and reportage.

This evolution reflects the difficulty of representing large-scale systems within traditional poetic frameworks.

Urban Heat and Rural Memory

Climate change manifests differently across Australia’s urban and rural landscapes, shaping distinct poetic responses.

Rural-focused works such as those by Judith Wright, including South of My Days, draw on intimate environmental knowledge built through long-term observation.

Urban poetry, by contrast, often centres on heat islands, infrastructure strain and mediated experience.

In cities like Sydney, surface temperatures can exceed surrounding regions by several degrees, intensifying health risks and social inequality [5].

Poems like Municipal Gum depict urbanisation as ecological dislocation, highlighting the tension between built and natural environments.

This divide reflects broader disparities in climate exposure and adaptation capacity across Australian communities.

Nonhuman Voices and Extinction

Australian poetry increasingly foregrounds nonhuman perspectives, responding to accelerating biodiversity loss.

Les Murray’s Blue Wren situates animal life within fragile ecological systems, emphasising interdependence.

Australia has one of the highest rates of species extinction globally, driven by habitat loss, climate change and invasive species [10].

Contemporary poets often depict extinction as gradual absence rather than sudden event.

This approach resists spectacle and instead evokes a slow, cumulative grief.

Such work challenges human-centred narratives by positioning ecological systems as active participants rather than passive backdrops.

Politics and Responsibility

Climate poetry increasingly engages with political and economic systems that drive environmental change.

John Kinsella’s The Weather Makers interrogates industrial processes and policy failures.

Australia remains one of the world’s largest exporters of fossil fuels, complicating its domestic climate commitments [6].

Poets navigate a tension between advocacy and ambiguity, balancing artistic expression with political urgency.

Some works directly assign responsibility, while others emphasise systemic complexity.

This reflects broader public discourse, where accountability is often contested across governments, industries and individuals.

Temporal Scales and Urgency

Australian poetry grapples with the tension between deep geological time and rapid climate change.

Many works situate present events within longer environmental histories, emphasising continuity and disruption.

Scientific projections indicate increasing frequency and intensity of extreme weather events across Australia [11].

Poetic pacing has shifted accordingly, with greater emphasis on urgency and immediacy.

This shift reflects a broader cultural recognition of tipping points and irreversible change.

The result is a body of work that oscillates between slow observation and rapid escalation.

Cultural Influence and Public Discourse

Poetry continues to shape cultural understanding of climate, even as its direct policy impact remains limited.

My Country by Dorothea Mackellar remains widely taught in Australian schools, influencing perceptions of landscape and identity.

Contemporary works increasingly appear in public forums, exhibitions and activism.

Research suggests that cultural narratives play a significant role in shaping public attitudes toward climate change [12].

Poets often position themselves as witnesses rather than advocates, documenting change rather than prescribing solutions.

This role allows poetry to operate alongside science and policy as part of a broader cultural response.

References

  1. National Library of Australia – Australian Literature and Poetry Overview
  2. CSIRO – Indigenous Fire Management and Land Practices
  3. AIATSIS – Indigenous Knowledge and Connection to Country
  4. American Psychological Association – Climate Change and Mental Health
  5. Bureau of Meteorology – State of the Climate Australia
  6. International Energy Agency – Australia Energy Profile
  7. Intergovernmental Panel on Climate Change – AR6 Synthesis Report
  8. United Nations – Climate Justice
  9. Australian Government – Cultural Burning and Land Management
  10. Department of Climate Change Energy Environment and Water – Threatened Species
  11. Climate Change in Australia – National Projections
  12. Nature Climate Change – Public Perception and Climate Communication

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05/05/2026

Heat Fire and Rising Seas Are Rewriting the Economics of Australian Tourism - Lethal Heating Editor BDA

 Australia tourism faces a climate driven economic turning point

Key Points
  • Climate exposure is reshaping tourism geography across Australia1
  • Natural asset degradation threatens core tourism revenue streams2
  • Insurance and financial risk are redefining business viability3
  • International demand is shifting under climate perception pressures4
  • Domestic travel behaviour is adapting unevenly to climate stress5
  • Adaptation investment will determine long term sector resilience6

A shifting map of tourism value

On a summer afternoon in Far North Queensland, reef operators scan forecasts with growing uncertainty. The timing of heatwaves and marine bleaching no longer follows familiar seasonal rhythms. What once anchored predictable visitor flows now shifts year to year.

Across Australia, climate change is quietly redrawing the economic geography of tourism. Rising temperatures and extreme weather events are altering where people travel, when they travel, and whether they travel at all. The consequences ripple through regional economies that depend on seasonal certainty[1].

Government modelling shows tourism regions face uneven exposure to climate risks. Coastal zones confront erosion and inundation, alpine regions confront declining snow reliability, and inland destinations confront intensifying heat. Insurers and planners increasingly map these risks as economic vulnerabilities rather than environmental abstractions[7].

This redistribution is already visible in booking patterns. Cooler regions in Tasmania and parts of Victoria report longer peak seasons. Meanwhile northern destinations face sharper seasonal compression, with visitors avoiding peak heat periods[8].

The concept of “climate refuges” is emerging within industry planning. These are regions perceived as more stable under warming conditions, offering milder summers or lower disaster risk. Their rise hints at a future where climate stability becomes a competitive tourism asset.

Natural assets under economic strain

The economic value of Australia’s tourism sector rests heavily on natural assets. Coral reefs, beaches and national parks are not just environmental features but revenue generators. Climate degradation therefore translates directly into economic loss.

The Great Barrier Reef offers the clearest example. Repeated coral bleaching events have reduced ecological health and altered visitor experience. Research indicates reef degradation could significantly reduce tourism expenditure over coming decades[2].

Operators report subtle but telling changes in visitor behaviour. Tourists increasingly ask about reef condition before booking, and some defer travel altogether. This creates volatility in demand that small operators struggle to absorb.

In the alpine regions of New South Wales and Victoria, the challenge is equally stark. Snow seasons are shortening and becoming less reliable, forcing resorts to invest heavily in artificial snowmaking. Under higher warming scenarios, modelling suggests some resorts may become economically unviable[9].

Extreme events amplify these pressures. The 2019–20 bushfires damaged large areas of tourism infrastructure and deterred visitors long after flames were extinguished. The reputational impact of smoke-filled skies lingered across international markets[10].

Coastal erosion adds another layer of risk. Beaches that underpin local tourism economies are narrowing or disappearing in some regions. This physical loss erodes not only landscapes but the economic identity of entire communities.

Insurance markets and financial fault lines

Behind these visible impacts lies a quieter but decisive shift in financial risk. Insurers are reassessing exposure to climate hazards, leading to rising premiums and in some cases withdrawal of coverage. For tourism businesses, insurance availability now shapes viability.

In high risk regions, operators report steep increases in insurance costs. Some small businesses cannot secure coverage at all, forcing closures or deterring new investment. This creates a feedback loop where risk reduces capital and capital constraints increase vulnerability[3].

Financial institutions are also adjusting their models. Climate risk is increasingly factored into lending decisions, particularly for long lived tourism infrastructure. Projects in exposed regions face higher borrowing costs or rejection altogether[11].

The economic losses extend beyond direct damage. Cancellations, reduced occupancy and reputational harm generate indirect losses that are harder to quantify but equally significant. These impacts accumulate across supply chains, affecting hospitality, transport and local services.

Small and medium enterprises are particularly exposed. Unlike large operators, they often lack financial buffers or diversified revenue streams. This uneven resilience risks widening economic inequality within the sector.

International perception and shifting demand

Australia’s tourism appeal has long rested on images of pristine nature and unique ecosystems. Climate change is beginning to complicate that narrative. International visitors increasingly factor environmental conditions into destination choices.

Data suggests extreme heat and bushfire smoke have begun to influence visitor sentiment. Surveys of key markets indicate growing concern about climate impacts on travel experience. While overall demand remains strong, sensitivity to climate risk is rising[4].

Long haul travel dynamics also intersect with climate awareness. Aviation emissions are under greater scrutiny, particularly in European markets. This raises questions about the long term competitiveness of distant destinations like Australia.

Some analysts warn of a reputational shift. If Australia becomes associated with environmental degradation or climate extremes, its brand could weaken. Tourism marketing strategies may need to pivot from idealised imagery to transparency and resilience.

At the same time, global competition is intensifying. Other destinations are investing in climate adaptation and sustainable tourism branding. Australia risks falling behind if it does not match this strategic shift.

Domestic travellers and behavioural adaptation

Australian travellers are already adjusting their behaviour in response to climate signals. Holiday timing is shifting away from peak summer heat in northern regions. Shoulder seasons are gaining importance as travellers seek more comfortable conditions.

There is also evidence of substitution effects. Some travellers are opting for urban or cultural experiences over nature based tourism during extreme conditions. This redistributes spending within the economy but does not necessarily replace lost regional income[5].

Cost of living pressures compound these changes. Climate related disruptions can increase travel costs through insurance, fuel and infrastructure damage. This reduces discretionary spending and affects domestic tourism demand.

Booking behaviour is becoming more cautious. Shorter lead times and flexible cancellations reflect uncertainty around weather conditions. For operators, this complicates planning and revenue forecasting.

Over time, these shifts may alter the balance between domestic and outbound tourism. Australians may travel overseas to avoid domestic climate extremes, redirecting spending away from local economies.

Infrastructure and the price of adaptation

Adapting tourism infrastructure to a changing climate requires significant investment. Transport systems, accommodation and attractions must be designed or retrofitted to withstand extreme conditions. The scale of this task is only beginning to be understood.

Governments have started to prioritise adaptation funding, but gaps remain. Decisions about where to invest reflect trade offs between economic value and risk exposure. Some regions may receive support while others face managed decline[6].

Private investors are responding unevenly. In some cases they withdraw from high risk areas. In others they innovate, developing new business models that reduce climate exposure or diversify revenue.

Nature based solutions are gaining attention. Reef restoration, coastal protection and ecosystem management can support both environmental and economic resilience. However, these approaches require long term commitment and uncertain returns.

The question is not whether adaptation will occur but who will pay. The distribution of costs between governments, businesses and communities will shape the future of the sector.

Regional economies and uneven futures

Tourism is a cornerstone of many regional economies in Australia. Climate impacts therefore translate directly into employment and community wellbeing. The effects are uneven and often amplify existing vulnerabilities.

Regions heavily reliant on a single attraction face the greatest risk. When that attraction degrades or becomes unreliable, economic diversification is limited. This can lead to long term decline and population loss[12].

Indigenous tourism enterprises face particular challenges. Many are closely tied to land and cultural landscapes that are sensitive to climate change. The loss of these environments carries both economic and cultural consequences.

Transition pathways for affected workers remain underdeveloped. While some sectors may grow, such as eco tourism or urban experiences, they do not always align geographically with declining regions. This creates spatial inequality within the tourism workforce.

The risk is a widening divide between regions that adapt successfully and those that do not. Climate change could reshape not just tourism flows but the broader economic map of Australia.

Conclusion

Australia’s tourism sector sits at the intersection of environmental change and economic dependence. The forces reshaping it are gradual yet cumulative, unfolding through shifting seasons, altered landscapes and changing perceptions. What emerges is not a single crisis but a systemic transformation.

The industry’s future will depend on its ability to adapt across multiple dimensions. Investment decisions, policy frameworks and market positioning must align with a climate reality that no longer supports historical assumptions. The challenge lies in balancing short term economic pressures with long term resilience.

There is still agency in how this transition unfolds. Strategic adaptation, diversification and honest engagement with climate risk could sustain tourism as a viable economic pillar. Without it, the map of Australian tourism may continue to move, leaving some regions behind while others redefine what it means to attract a visitor.

References

  1. CSIRO and Bureau of Meteorology Climate Change in Australia Report
  2. Great Barrier Reef Marine Park Authority Outlook Reports
  3. APRA Climate Risk and Financial Stability Reports
  4. Tourism Australia Market Insights
  5. Tourism Research Australia Data and Reports
  6. Australian Government Infrastructure and Adaptation Strategy
  7. IPCC Sixth Assessment Report Working Group II
  8. Australian Bureau of Statistics Tourism Data
  9. Climate Council Snow and Climate Change Report
  10. Royal Commission into National Natural Disaster Arrangements
  11. Reserve Bank of Australia Climate Risk Analysis
  12. Regional Australia Institute Reports

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04/05/2026

Australia’s Nuclear Question: Climate Solution or Strategic Detour? - Lethal Heating Editor BDA

Australia faces a narrowing window to cut emissions
as nuclear power re-enters a fraught national debate
Key Points
  • Nuclear re-emerges amid political and system reliability debates 1
  • Costs and financing risks remain significantly higher than renewables 2
  • Timelines challenge alignment with urgent climate targets 3
  • Grid integration raises structural and economic questions 4
  • Waste, safety and social licence remain unresolved barriers 5
  • Opportunity cost may shape Australia’s entire decarbonisation pathway 6

Introduction: A System Under Pressure

Across Australia’s energy system, the pressure is no longer abstract but operational, as coal exits accelerate and reliability fears sharpen political divides.

The reappearance of nuclear power in national debate reflects this tension, not only as a technological proposition but as a strategic response to uncertainty in the transition.

Yet the central question remains whether nuclear addresses a real system gap or reframes the debate itself [1].

Strategic Context: Why Nuclear, Why Now

Proponents argue nuclear solves a perceived reliability deficit, particularly as ageing coal plants retire faster than expected.

Australia’s energy operator has repeatedly modelled a grid dominated by renewables, storage and transmission, without nuclear as a least-cost pathway [6].

This divergence suggests nuclear is not filling a technical void but contesting the framing of the transition itself.

Politically, nuclear’s resurgence coincides with rising cost-of-living pressures and backlash against transmission infrastructure.

In this context, nuclear offers a narrative of centralised stability, even if its deployment timeline conflicts with near-term climate urgency [3].

Comparisons with France or China often overlook institutional capacity, where decades of continuous investment underpin their nuclear sectors.

Economic Viability: Cost and Capital Risk

Globally, nuclear projects remain among the most capital-intensive infrastructure investments, with high sensitivity to delays and financing costs.

Recent projects in the United Kingdom and United States have experienced substantial overruns, raising questions about replicability in Australia’s smaller market [2].

Firmed renewables continue to decline in cost, particularly as battery storage scales rapidly across the National Electricity Market.

The Australian Energy Market Operator projects system costs based on renewables and storage pathways significantly below nuclear-inclusive scenarios [6].

For nuclear to proceed, substantial public financing or guarantees would likely be required, shifting risk from private investors to taxpayers.

This raises the prospect that nuclear could crowd out faster, lower-risk investments already underway.

Timelines and Climate Urgency

The mismatch between nuclear timelines and climate targets forms one of the most persistent tensions in the debate.

From policy approval to grid connection, nuclear plants typically require 10 to 15 years under favourable conditions.

In contrast, large-scale solar, wind and battery projects can be deployed within two to five years, often faster [3].

Finland’s Olkiluoto 3 reactor illustrates both ambition and delay, taking nearly two decades from construction to operation [7].

Australia’s emissions targets for 2030 and 2035 leave limited room for technologies that cannot deliver within this decade.

Pursuing nuclear risks extending reliance on fossil fuels during the interim, particularly if investment focus shifts away from deployable solutions.

Grid Integration and System Design

Australia’s electricity grid is undergoing rapid decentralisation, with rooftop solar, batteries and distributed generation reshaping demand patterns.

Nuclear plants, traditionally designed for continuous output, may struggle to operate flexibly within such a system.

This raises questions about whether nuclear complements or conflicts with a renewable-dominated grid architecture [4].

Transmission requirements also differ, with nuclear favouring fewer large nodes rather than dispersed generation.

The experience of integrating large-scale renewables in states like South Australia demonstrates both the challenges and adaptability of the system [8].

Whether nuclear would reduce or increase total system costs remains contested, particularly when flexibility becomes a premium.

Safety, Waste and Social Licence

Nuclear safety debates remain shaped by historical disasters, even as modern reactor designs claim improved resilience.

Australia’s relatively stable geology reduces some risks, but climate factors such as heatwaves and water scarcity introduce new constraints.

The Fukushima disaster continues to inform regulatory frameworks and public perception globally [5].

Waste management presents a long-term challenge, with high-level waste requiring secure storage for thousands of years.

Australia’s ongoing struggles to site even low-level waste facilities suggest significant political resistance.

Social licence may prove as decisive as technical feasibility, particularly in regional communities expected to host infrastructure.

Regulation, Workforce and Institutional Capacity

Australia currently prohibits nuclear power under federal legislation, requiring significant legal reform before any development.

Establishing a nuclear regulatory framework would demand years of institutional development and international coordination [9].

The International Atomic Energy Agency provides guidance, but domestic capability remains essential.

Workforce constraints present another barrier, with Australia lacking a large pool of nuclear engineers and operators.

Training programs or reliance on foreign expertise would take time and introduce dependencies.

Countries with established nuclear sectors illustrate the importance of sustained investment in skills and governance.

Geopolitics and Energy Sovereignty

Nuclear power intersects with Australia’s geopolitical position, particularly as a major uranium exporter.

Domestic nuclear capability could reshape perceptions of energy sovereignty, though reliance on imported technology may persist.

The AUKUS agreement has already shifted public awareness of nuclear technologies, albeit in a defence context [10].

Whether civil nuclear development strengthens or complicates regional climate diplomacy remains uncertain.

In the Indo-Pacific, Australia’s leadership has centred on renewable deployment and climate finance.

A pivot towards nuclear could alter both narrative and strategic alignment.

Opportunity Cost and Competing Pathways

Every dollar invested in nuclear represents a choice not to invest elsewhere, particularly in proven renewable technologies.

Modelling consistently shows Australia can achieve deep decarbonisation without nuclear, albeit with trade-offs in transmission and storage [6].

The risk is not that nuclear fails to deliver, but that its pursuit delays action already within reach.

Technological optimism around small modular reactors adds further uncertainty, with commercial viability yet to be demonstrated [11].

Meanwhile, breakthroughs in storage and grid management continue to accelerate.

This dynamic raises the possibility that nuclear could become redundant before it becomes operational.

Conclusion: A Decision About Time

The nuclear debate in Australia is less about technology than about time, risk and political intent. Decisions taken now will shape the energy system not only in structure but in trajectory, determining whether the transition accelerates or fragments.

Nuclear offers a vision of stability and long-term capacity, yet it arrives within a decade defined by urgency. The evidence suggests it cannot materially contribute to emissions reductions in the timeframe that matters most.

This does not render nuclear irrelevant, but it reframes its role as a potential future option rather than an immediate solution. The central policy challenge is therefore not whether nuclear is viable in principle, but whether pursuing it now aligns with Australia’s climate commitments.

In a system already under strain, the greater risk may lie not in choosing the wrong technology, but in delaying the deployment of those already proven. The nuclear question ultimately forces a broader reckoning with how Australia balances certainty, speed, and ambition in the face of a rapidly closing climate window.

References

  1. CSIRO Energy Data and Modelling
  2. IEA Nuclear Power Report
  3. IRENA Renewable Deployment Data
  4. AEMO National Electricity Market Overview
  5. IAEA Fukushima Overview
  6. AEMO Integrated System Plan
  7. World Nuclear Association Project Data
  8. South Australia Energy Transition Reports
  9. ARPANSA Regulatory Framework
  10. Australian Government AUKUS Overview
  11. OECD NEA Small Modular Reactors

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03/05/2026

Between Promise and Physics: An Open Letter to the Prime Minister on Australia’s Climate Crossroads - Lethal Heating Editor BDA

Key Points
  • Political caution constrains climate ambition 1
  • Economic reliance on fossil exports creates structural risk 2
  • Inequality shapes who bears transition costs 3
  • Ecological decline accelerates alongside emissions 4
  • Infrastructure and communities remain exposed 5
  • Incrementalism risks locking in long term damage 6


Dear Prime Minister Anthony Albanese,

The Australian climate debate now unfolds under conditions that are no longer abstract. Summers arrive earlier, linger longer, and push human physiology toward dangerous thresholds. Heatwaves already rank among the nation’s deadliest hazards, straining emergency systems and exposing gaps in preparedness [7].

The science is settled in its broad direction. The Intergovernmental Panel on Climate Change finds that limiting warming to 1.5°C requires rapid, sustained emissions reductions across all sectors [1]. Yet Australia’s policy trajectory remains calibrated to political feasibility rather than physical necessity.

Prime Minister, is your government managing climate change as a political problem or confronting it as a structural one? The distinction is no longer academic, because delay compounds risk across every system that sustains national life.

Political Will and Structural Constraint

Your government entered office promising a renewed climate agenda. The Safeguard Mechanism reforms and renewable investments signal progress, yet they stop short of a trajectory aligned with 1.5°C. The gap reflects not ignorance but constraint.

Australia remains one of the world’s largest exporters of coal and liquefied natural gas. Export revenues support fiscal stability, employment, and regional economies, creating a powerful disincentive to curtail production [2]. This tension sits at the heart of climate policy hesitation.

Approvals for new fossil fuel projects sharpen the contradiction. Each project embeds future emissions while international commitments signal reduction. The resulting policy duality risks eroding both domestic credibility and international trust.

Internal party dynamics also matter. The Labor Party’s broad coalition includes unions, resource states, and urban progressives. Balancing these constituencies inevitably moderates ambition, but moderation may no longer be compatible with the scale of the crisis.

An Economy Built on Extraction

Australia’s prosperity has long been tied to resource extraction. Coal and gas exports contribute significantly to GDP and trade balance, particularly during global price spikes. This dependence complicates the transition away from fossil fuels.

The concept of stranded assets looms increasingly large. As global demand shifts toward low carbon energy, existing infrastructure risks becoming economically obsolete. Financial institutions have begun factoring this risk into long term projections [8].

Regions such as the Hunter Valley illustrate the stakes. Coal mining communities face uncertain futures as global markets evolve. Without robust transition planning, economic dislocation could deepen social inequality.

Government modelling suggests that renewable industries can offset losses. However, the speed and distribution of these gains remain contested. The question is not whether transition will occur, but whether it will be managed or imposed.

Inequality in the Energy Transition

Energy transition policies often present as technocratic solutions, yet their impacts are deeply social. Lower income households face disproportionate energy cost burdens, particularly during periods of high electricity prices [3].

Programs supporting rooftop solar and electrification have delivered benefits, but access remains uneven. Renters and low income households frequently lack the capital or structural capacity to participate.

Climate impacts compound these inequalities. Floods in northern New South Wales and Queensland displaced thousands, disproportionately affecting those with fewer resources to recover. Insurance affordability is declining in high risk regions, raising questions about long term habitability.

Indigenous communities face additional challenges. While consultation has improved, genuine empowerment in decision making remains inconsistent. Traditional ecological knowledge offers valuable insights, yet it is rarely centred in policy design.

Ecological Decline in a Warming Nation

Australia’s biodiversity crisis intersects directly with climate change. The continent has one of the highest extinction rates globally, driven by habitat loss, invasive species, and changing climate conditions [4].

The Great Barrier Reef provides a stark example. Repeated mass bleaching events have degraded coral ecosystems, threatening tourism and marine biodiversity. Scientific assessments indicate that warming oceans remain the primary driver [9].

Land clearing continues in parts of the country despite its impact on emissions and ecosystems. Environmental laws have struggled to keep pace with scientific understanding, prompting calls for comprehensive reform.

The separation of climate policy from biodiversity protection reflects institutional fragmentation. In practice, emissions reduction and ecological preservation are inseparable, yet policy frameworks treat them as parallel concerns.

Exposure and Fragility

Australia’s geography amplifies climate risk. Bushfires, floods, and heatwaves are intensifying, often occurring in rapid succession. Infrastructure systems designed for historical conditions now face unprecedented stress [5].

The 2019 to 2020 bushfire season revealed systemic vulnerabilities. Emergency services were stretched beyond capacity, and recovery processes proved slow and uneven. Subsequent inquiries highlighted the need for coordinated national adaptation planning.

Urban expansion into high risk areas compounds exposure. Development approvals in floodplains and fire prone regions continue, driven by housing demand and economic pressures. These decisions embed future disaster risk.

Adaptation remains fragmented across jurisdictions. Without a comprehensive national framework, responses vary widely, leaving communities unevenly protected.

Incrementalism and the Politics of Time

Climate policy often advances through incremental steps. This approach reflects political realities, including electoral cycles and stakeholder resistance. Yet climate systems do not respond incrementally.

Scientific evidence indicates that delayed action increases both the scale and cost of required interventions. Each year of insufficient reduction narrows the remaining carbon budget [6].

The language of balance and pragmatism can obscure this dynamic. What appears cautious in political terms may be reckless in physical terms. The question becomes when caution crosses into negligence.

Declaring a climate emergency would signal urgency, but it must be matched by substantive policy change. Symbolism without structural reform risks deepening public cynicism.

The National Cost of Delay

The economic consequences of climate inaction are increasingly quantifiable. Treasury and independent analyses project significant impacts on GDP, productivity, and public finances under high warming scenarios [10].

Disaster recovery spending has already risen sharply. Repeated extreme events strain federal and state budgets, diverting resources from long term investment. This pattern is likely to intensify.

Agriculture faces shifting rainfall patterns and increased heat stress. Regions that have sustained production for generations may become less viable, affecting food security and rural economies.

These impacts extend beyond economics. They reshape the social fabric, influencing migration, employment, and community cohesion.

Australia in a Warming World

Australia’s international position is shaped by both its emissions and its exports. Pacific neighbours face existential threats from sea level rise, and their expectations of Australian leadership are clear [11].

Diplomatic relationships increasingly incorporate climate considerations. Perceived inaction risks undermining regional influence and cooperation. Conversely, credible leadership could strengthen Australia’s standing.

The Indo-Pacific presents opportunities for climate resilience partnerships. Investment in adaptation, technology transfer, and disaster preparedness could align national interest with regional responsibility.

Global expectations are shifting rapidly. The question is whether Australia intends to lead, follow, or resist.

Politics and Legacy

Climate policy now intersects directly with electoral dynamics. Younger voters consistently rank climate change among their top concerns. Support for climate focused independents reflects a perceived gap between rhetoric and action.

Prime Minister, your government’s legacy will be judged not only by targets but by outcomes. Emissions trajectories, infrastructure resilience, and social equity will provide measurable benchmarks.

Accountability mechanisms remain limited. While advisory bodies exist, enforcement of climate commitments is weak. Strengthening these frameworks could enhance credibility and continuity.

The broader question is how history will assess this moment. Periods of transition often appear gradual in real time but decisive in retrospect.

Conclusion: The Narrowing Window

Prime Minister, the choices facing your government are neither simple nor cost free. They involve trade offs between economic stability, political viability, and environmental necessity. Yet the framing of these trade offs is itself a political act.

The evidence suggests that delay increases both risk and cost. Incrementalism may preserve short term stability, but it risks locking in long term instability across ecological, economic, and social systems. The window for gradual adjustment is closing.

A structural response would align policy with physical limits. It would integrate emissions reduction, adaptation, and social equity into a coherent national strategy. It would also require confronting the economic model that has underpinned Australian prosperity.

The question that remains is not whether change will occur, but whether it will be shaped by deliberate policy or forced by circumstance. Your government still has agency, but that agency is diminishing with time.

Regards.

BDA Editor Lethal Heating 

References

  1. IPCC Sixth Assessment Synthesis Report
  2. Geoscience Australia Energy Resources Overview
  3. ACCC Electricity Pricing Inquiry
  4. Australian Government Biodiversity Report
  5. CSIRO State of the Climate
  6. IEA Net Zero by 2050 Report
  7. AIHW Heatwaves and Health
  8. RBA Financial Stability and Climate Risk
  9. Great Barrier Reef Marine Park Authority Climate Impacts
  10. Australian Treasury Climate Modelling
  11. Pacific Islands Forum Climate Position

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