17/03/2018

How To Change The Climate Story: Paul Hawken

Eco-BusinessVaidehi Shah

Want to avoid climate disaster? Abandon the “wussy” language of climate mitigation as well as war metaphors, and develop more positive ways of thinking about the issue, said American environmentalist Paul Hawken at a recent conference in Sydney.
Paul Hawken speaks at Purpose 2018 in Sydney, Australia. Image: Purpose
To generate effective, universal action that will solve the problem of climate change, the global community needs to abandon the “wussy” language of climate mitigation and rethink the “negative” sports and war metaphors that are pervasive in discussions about the issue.
This was the advice offered by American environmentalist, author and activist Paul Hawken at the recent Purpose conference in Sydney.
Speaking to a 500-strong audience at Commune in Sydney, Hawken said that the term “climate mitigation”, which is commonly found in government policies, international negotiations in the annual United Nations Framework Convention on Climate Change (UNFCCC) conference, and scientific reports isn’t strong enough.
“When you are heading down the wrong road towards a cliff, the only thing that makes sense is not to slow down and go over the cliff slowly, but to stop and turn around,” said Hawken.
This is why, instead of the prevailing narrative of mitigating climate change, Hawken champions the notion of reversing global warming. Last year, Hawken co-founded the Drawdown Project, which maps, measures, models, and describes the 100 most effective, economically viable and scaleable solutions to reverse global warming.
The project has entailed a global research programme to identify and rank climate solutions, with academics from institutions around the world participating in the project; its findings were published in a book titled ‘Drawdown—The Most Comprehensive Plan Ever Proposed to Reverse Global Warming‘.
Drawdown is the only global initiative to focus on reversing global warming rather than mitigating it, said Hawken.

The Drawdown Project’s list of 10 most promising solutions to reverse global warming. Image: Drawdown Project
The project has identified refrigerant management—that is, phasing out hydrofluorocarbons, synthetic coolant chemicals which are extremely potent greenhouse gases—as the single most effective strategy to slash emissions. The initiative will cost some US$903 billion by 2050, but save almost 90 gigatonnes of emissions.
For Australia, regenerative agriculture is the most important solution that the country can take, said Hawken. This is a farming method that doesn’t till the soil, use pesticides or synthetic fertilisers, while practising multiple crop rotations and using cover crops to prevent the soil from being exposed to the environment.
“The land (in Australia) is so fragile, and commercial agriculture has deteriorated its condition,” he noted.
When you are heading down the wrong road towards a cliff, the only thing that makes sense is not to slow down and go over the cliff slowly, but to stop and turn around.
But globally, “the number one solution to reversing global warming is the empowerment of girls and women,” said Hawken, indicating that two of the top 10 gender-specific solutions identified by the Drawdown Project—educating girls and family planning—could together reduce about 120 gigatonnes of carbon emissions while costing very little.
When a girl gets to stay in school until high school age, she has an average of two children, whereas girls who are pulled out of education when they hit puberty tend to have about five children each, Hawken said. So educating girls not only ensures better economic outcomes and resilience for women, it also slows down population growth.
“It’s a form of family planning, but a woman has chosen that by being supported instead of being told what to do,” Hawken explained.
Giving women access to voluntary, high quality family planning can also improve their well-being and health, while addressing the population issue in a way that steers clear of problematic approaches such as governments forcing the birth rate down through policies or people in rich countries telling people in poor countries to stop having children, he added.
In addition to specific solutions and strategies, the global community needs to change the language that is common in climate change narratives, Hawken said.
“Talk of carbon war rooms, and fighting or combating climate change is so negative,” said Hawken. Worse, it positions the problem “as something out there that we have to fight and win, when in reality, we are the problem and not the climate,” he added.
The process of othering the natural world from humans is what has caused today’s environmental problems, said Hawken. “We cannot solve the problem the same way; we have to think differently.”
One way to do this may be to not talk about the climate at all, he told Eco-Business in an interview. Rather than the relatively intangible idea of addressing climate change, people are more concerned with things that affect them on a daily basis, he said. In this vein, the next project he is working on is a book titled ‘Regeneration: How to create 1 billion jobs’.
Research has shown that emerging sectors that could help address climate change will also create millions of jobs in the future. For instance, the Business and Sustainable Development Commission estimates that sustainable business models in sectors like agriculture, energy, cities, and health could create 230 million jobs in Asia alone.
“The way you motivate people is to give them meaningful, purposeful, living wage jobs that give them respect for themselves and their community,” he said. “What people want is security and jobs that are meaningful, and the outcome in terms of reversing global warming is secondary,” he said.

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What A Century Of Climate Change Has Done To France’s Biggest Glacier

The Conversation

Dundee University, Author provided
Like a one-man Google Earth, Swiss aviation pioneer Eduard Spelterini flew a gas-filled balloon from the French town of Chamonix to Switzerland on August 8, 1909 – a distance of 100 miles over the Alps. While the flight was extraordinary for being the first aerial crossing of the central Alps from west to east, it now holds a special significance of which Spelterini was unaware. The balloonist was also a photographer who captured a series of glass-plate images of the Mer de Glace (“sea of ice”) glacier that descends from the Mont Blanc Massif in a dramatic sweep.
Spelterini’s interest in recording the alpine landscape was both scientific and aesthetic, and the results are striking. This collection of images survives today as a record of the glacier that is unique in its detail and antiquity. But crucially, they can be used to measure how much this landscape has changed in the intervening years. In 1909, no one could have guessed how significant these glaciers would become to environmental science, or just how rapidly they would be affected by rising temperatures in the century that followed.

Digital analysis
The flight over the Mer de Glace was unusual because Spelterini’s aerial photographs rarely focused on the glaciers, instead more often framing the peaks and other geological features. He was also unaware that the distribution of his photographs along the balloon’s flight path, pictured below, would make excellent material for digital analysis more than 100 years later.
The flight path of Eduard Spelterini’s balloon in 1909. James Gentles, Author provided
By identifying common features in the photographs, which can in turn be linked to surveyed features in the landscape, a 3D representation of both the balloon flight and the historical topography can be reconstructed using photogrammetry – the science of taking measurements from photography. While the oblique angle of the photographs limits the measurable accuracy of the resulting data, compared to the vertical mapping photographs taken in the decades that followed, they still provide a unique and compelling glimpse into a past landscape.
In Spelterini’s image below, the oblique aerial view taken at a sideways angle towards the horizon gives a sense of place that is part way between the familiar ground level view and the high vertical perspective like that of a map. In the foreground the newly completed Montenvers cogwheel railway is visible, perched over the voluminous Mer de Glace glacier which leads the eye to the spires of the Mont Blanc Massif in the background.
The Montenverscog railway in the foreground was recently completed when Spelterini took this photograph. Eduard Spelterini, Author provided
The photographs are carefully composed, designed to serve as both record and artwork. Their oblique angle makes them less abstracted and more relatable, despite their height above the ground and the scale of the landscape they depict. All of these factors make them an ideal point of reference for visualising the changing nature of the alpine landscape.

Follow that balloon
In October 2017, a team of photographers and researchers from the University of Dundee returned to Chamonix to replicate the path of the historic flight and recreate the sequence of photographs using a helicopter. Spelterini’s balloon rapidly ascended to around 2,000m above the Chamonix valley before passing Mer de Glace. Such heights are virtually inaccessible to unmanned drones, meaning that a manned aircraft was needed.
The results are documented in The 100-year Time-Lapse Project. GPS coordinates derived digitally from Spelterini’s photographs were used to return to the same locations to capture current-day equivalents of both his individual photographs and the 3D surface reconstruction. While the rate of change in the Mer de Glace glacier has been studied in great detail, using digital technology in this way allows for a visual comparison of the landscape then and now to reveal the staggering reduction in the ice surface that has taken place over the last century.

Kieran Baxter and Kieran Duncan/YouTube.

Today, visitors alighting at the Montenvers railway station are no longer confronted with the Mer de Glace at close range, but instead look down upon a largely empty valley and debris-covered glacier far below. Here the ice surface has dropped around 100 metres compared to its height in 1909. Scientists have calculated that, overall, the glacier has lost around 700m cubic metres of water since the beginning of the 20th century.While the facts and figures alone should be enough to narrate the impact that the previous century of greenhouse gas emissions have had on our climate and environment, images like these help drive the point home. Eduard Spelterini was not just a pioneer of aviation but also of aerial photography as a way of better understanding the natural world. His images capture an emotive sense of place while providing insights into aspects of the landscape that are not available from the ground.

Kieran Baxter/YouTube.

Today, despite the heavy carbon footprint that comes with manned aviation, we continue to rely on aerial views to interpret our environment, from Landsat satellite imagery to low-level drone photography. By repurposing archival aerial photographs and continuing the legacy of photographers like Spelterini, with the help of current technology, we can explore new and compelling ways to visualise our rapidly changing glacial landscapes.As well as serving to convince hearts and minds in the present political debates surrounding climate change, these images will also form a poignant record of magnificent landscapes that will no longer be around for future generations to experience.

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Climate Change Promotes The Spread Of Mosquito And Tick Borne Viruses

EU Science Hub


Spurred on by climate change, international travel and international trade, disease-bearing insects are spreading to ever-wider parts of the world.
This means that more humans are exposed to viral infections such as Dengue fever, Chikungunya, Zika, West Nile fever, Yellow fever and Tick-borne encephalitis.
For many of these diseases, there are as yet no specific antiviral agents or vaccines.
Global warming has allowed mosquitoes, ticks and other disease-bearing insects to proliferate, adapt to different seasons, migrate and spread to new niche areas that have become warmer.
These are the findings of a JRC report that aims to raise awareness about the threat posed by the spread of arboviruses (arthropod-borne viruses).

The growing spread of arboviruses
Aedes mosquitoes spread several arboviruses, including  Dengue, Chikungunya, Zika, West Nile and Yellow fever viruses.
These mosquitoes thrive in urban settings due to the lack of natural predators and the ready availability of food and habitats in which to procreate.
They have existed in Africa and Asia for many years and are now becoming more and more widespread.
They have recently become established in some European countries and the Americas, largely as a result of international travel and trade.
Their alarming spread poses a problem for public health. They are difficult to eradicate - their larvae can survive for months, even in suboptimal humidity and temperature conditions.
The tick-borne encephalitis virus (TBEV) has been found in several European countries, including Austria, the Czech Republic, Germany, Lithuania, Poland, Slovakia, Sweden and, more recently, the Netherlands.
One of the more recently reported vectors for the virus, the Dermacentor reticulatus tick species, is rapidly spreading through Europe. It has a high reproduction rate, is cold resistant and can live underwater for months.
Humans can be infected by a tick bite or through consuming unpasteurised dairy products that do not meet EU safety standards and have come from infected animals. Luckily, TBEV can be vaccinated against.

Zika virus – a serious concern for Europe
Zika virus has received a lot of media attention due to its association with neurological disorders such as Guillain-Barré Syndrome (GBS) and the development of microcephaly (abnormally small head) in foetuses.
It is difficult to diagnose and there is no cure or vaccine. First identified in 1947 in the Zika forest of Uganda, its spread is a serious concern given the growing presence of its main vector, the mosquito  Aedes albopictus, in temperate zones including Europe and America.
The first documented outbreak of ZIKV infection was reported in 2007 in Micronesia. Since then it spread to French Polynesia and Brazil, where it infected up to 1.3 million people in 2015.
More than 70 territories worldwide have confirmed autochthonous (indigenous) cases of ZIKV. By March 2017, 2 130 Europeans were reported to have travel-associated ZIKV infections.

Mosquito control strategies
The report describes and discusses several methods that have been used to control the spread of mosquitoes, including insecticides, mosquito traps, genetic modification, land reclamation and habitat surveillance.
Currently, the safest and most readily available and effective methods of controlling mosquitoes are mosquito traps (for relatively small areas) and nets, and the reduction of potential breeding sites (standing water).
While the research team behind the study advocate better control of mosquito populations, they also warn that it would be unwise to remove mosquitoes completely from the ecosystem.
They are part of the food web for some species, and pollinate many plants. Wiping them out completely could have negative effects on nature, and consequently on humans.

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