11/06/2021

(NZ Stuff) What Does The Climate Change Commission's Roadmap Mean For Our Lives?

Stuff - Olivia Wannan

Prime Minister Jacinda Ardern lists some of the recommendations from the final Climate Commission report.

The Climate Change Commission has released its final advice to the Government, laying out a carbon-cutting roadmap that could change the way we live.

From 2022 onwards, the commission wants us to meet a shrinking “carbon budget”, which is essentially the amount of greenhouse gas the country is allowed to “spend” each year.

Our emissions grew in 2019 (our pollution went up, but we also changed the way we count them). If we’re racing to net zero, this means the starting line moved a bit further back.

To compensate, the commission adjusted the distances (or legs) we’ll need to run each year. So the annual carbon budgets have also risen in the commission’s finalised report:

  • 2022 to 2025: 69.5 million tonnes (67.7m tonnes in draft advice)
  • 2026 to 2030: 59.7m tonnes (57.3m tonnes in draft)
  • 2031 to 2035: 47.9m tonnes (44.6m tonnes in draft)

But that finishing line of net zero by 2050 hasn’t moved. We’ll have to cover a bit more ground in the first leg, though we’ll have to make up for the majority of the extra distance in future legs.

All up, we must knock 5.4m tonnes of emissions annually for the next four years, compared to 2019.

The cost of our transition – a subject that generated a lot of debate – has been refined. The draft advice found our GDP would grow at a slower rate, knocking off less than 1 per cent by 2050. That’s now 1.2 per cent by 2050. However, there’s also a cost if we do nothing, the commission warned – about 2.3 per cent of GDP.

Prime Minister Jacinda Ardern said the journey would be tough at times, but the numbers supported the country’s plan to decarbonise. “It’s a safer, smarter and cheaper choice to act now.”

The commission has no law-making powers, so the Government will need to decide whether to pass the plan into legislation. Ardern already pledged to uphold the budgets, though her ministers may tweak some of the proposals. We’ll find which ideas were thrown on the scrapheap when the Government releases an Emissions Reduction Plan in December.

But if the Government chooses to back all aspects of the commission’s roadmap, here’s what it means for cars, homes, energy bills and farmers.

On the road

Petrol and diesel car imports will be banned, ideally by 2030 – but no later than 2035. Electric vehicles will be an increasingly common sight on our roads. Half of all cars and motorbikes entering the country will be plug-ins by 2029, courtesy of a “feebate” or subsidy (the design of which is still to be announced).

By 2035, drivers who switch to electric will save more than $1300 each year. Electric charging stations will pop up on national and local roads. The Ministry of Transport has floated a petrol car ban in 2035. It’s not clear whether the ministry will bring the ban forward to better align with the commission’s roadmap.

Petrol will be mixed with an increasing proportion of biofuels. By 2035, 5 per cent of the petrol and diesel powering existing cars, trucks and planes will be sourced from organic matter, mixed in with fossil fuels.

Cars will be replaced with more bikes, scooters, pedestrians, buses, trains and ferries. One in seven journeys will be taken using these low-carbon modes by 2035, under the commission’s roadmap. Green transport campaigners were critical of a lack of ambition in the draft advice. For those who can, remote work will be common. We’ll also be less likely to own a car and more likely to subscribe to a car-share scheme. When urbanites do drive, they may pay a congestion charge. We’ll be more active and breathe cleaner air.

Publicly funded buses would become cheaper. Colin Smith/Stuff

Lower public transport fares for everyone. To boost demand, ferry, train and bus services will also be more frequent and reliable.

Some goods shipped on trucks will move onto ships and rail lines. Ferries and cargo ships will be electrified, in the commission’s roadmap.

Domestic flights will be powered by electricity by 2030. The commission wants electric planes on short-haul routes such as Wellington to Nelson.

What’s new? Electric planes by 2030 and electric ships after 2025 are significant additions. The commission wanted lower public transport fares for young people, now it’s asked for fare cuts across the board. The commission is now recommending the Government set its own targets to boost walking, cycling and public transport trips.

It’s possible an import ban on new fossil fuelled cars could kick in several years before used vehicles.

We’ll blend a little bit more biofuel into our petrol and diesel supply (5 per cent, up from 3). There’s ever-so-slightly more urban trips on bikes and public transport. There’s a slight delay as to when electric car imports overtake petrol and diesel cars – 2029, not 2027. The commission originally wanted to electrify the main rail lines, but it’s more open to other zero-carbon fuels (such as biodiesel) to power our long-distance trains.

At home

Gas appliances will be switched for electric (and wood). The commission believes electricity is an efficient green fuel source to power our homes, so it recommends the Government set a date after which homes or business can no longer hook up to the natural gas network – 2025 is floated. The gas industry strongly opposed the proposal in the draft advice.

The commission also wants the Government to start phasing out natural gas appliances in the 2030s.

Natural gas, petrol and diesel will get more expensive. According to the commission’s modelling, the rising cost of carbon pollution under the Emissions Trading Scheme will make it increasingly costly to buy these fossil fuels. The average natural gas bill could be $300 higher by 2035. Petrol prices are expected to rise by 30 cents per litre.

Gas hobs would become less common, as the commission recommends they are replaced with electric elements. Kwon Junho/Unsplash

Solar panels on homes will be common. Communities will also run small-scale wind and solar farms, to help generate the electricity we need for our homes and cars.

New houses will be snugger, warmer and drier. By keeping our homes naturally comfortable, less energy will be required to heat them in winter and cool them in summer. Occupants will be healthier, and low-income households should enjoy cheaper energy bills.

Neighbourhoods will become increasingly dense. New houses will be constructed on existing transport routes, giving more people access to buses, trains, ferries, cycleways and paths.

Green bins will be commonplace. Our food and garden waste will be collected and composted, or sent to a landfill that captures the methane producing when organic matter rots.

What’s new? The draft advice told the Government to halt hook-ups to the natural gas network by “no later than 2025 and earlier if possible”. After public backlash, the commission has left it up to the Government to pick a date – though the commission’s roadmap still uses 2025. Landfills will capture more methane than under the draft plan. The household bills for those sticking with fossil fuels have been tweaked.

The organic waste we produce will be increasingly composted, or directed to landfills that capture and combust methane. 123RF

At work

Up to 1400 people in the oil and gas industries will retire or change jobs.
The government will identify at-risk workers and offer financial support and advice for those transitioning to a cleaner industry.

Up to 2300 vehicle mechanics will also retire or change jobs. This is because electric cars require less maintenance.

Factories will substitute coal and gas for electricity, wood waste and (potentially) hydrogen. Coal boilers (except for businesses requiring very high temperatures) have already been banned, which is one of the first things on the commission’s to-do list. Food processing facilities, such as the factories using coal to dry milk into powder, will ditch coal between now and 2040. Buildings will stop burning coal for heat by 2030, and start phasing out natural gas after that.

Products and packaging will be re-designed. The stuff we make should be increasingly reusable and recyclable, to minimise emissions from manufacturing and waste. We’ll stop buying products containing hydrofluorocarbon gases, as these refrigerants are very powerful greenhouse gases.

What’s new? The impact on vehicle mechanics is new and significant: between 900 and 2300 fewer jobs by 2035 (though the commission warns this could be an overestimate). The jobs lost in the fossil fuel sectors are now modelled to be 1400, the draft advice gave the figure of 1100.

However, the commission also named the industries that should grow: electricity generation, battery refurbishment, waste and forestry. The commission gave the food processing industry a bit of wiggle room to phase out coal, from an end-date of 2037 to “before 2040”, though the major players and the Government have already started working towards the 2037 date. Methanex may stick around a bit longer, from 2029 to 2040.

Under the Climate Change Commission’s plan, farmers will select sheep breeds that breathe out less methane gas. 123RF

On the marae

New policies will be developed with iwi and Māori input. Any new schemes will need to work for Māori land that’s owned by a collective. Iwi will be able to calculate their collective carbon footprint.

Skills and re-training programmes assisting Māori will be designed by Māori. Tangata whenua may be more likely to switch industries, under the commission’s roadmap. However, more jobs will be gained than lost.

Iwi will receive assistance to meet new rules, particularly any restricting land development. For example, a collective developing land with older forests might get financial assistance to replant trees elsewhere as offsets.

What’s new? The final advice puts more emphasis on the Crown-Māori relationship in designing our low-carbon transition.

On the farm

Cow and sheep numbers will fall by 13.6 per cent by 2030. The country will still produce roughly the same amount of milk and meat, but with fewer animals burping out the potent greenhouse gas methane. The commission is predicting herd numbers will drop by 8 per cent anyway, but its advice recommends stepping this shrinkage up by roughly another 6 per cent. Some farms will replace animals with horticulture. The remaining meat and dairy farms will track carbon stored in their trees, soils and wetlands, and adopt best-practice animal and feed management.

Low-methane sheep will be selected. This will help the country to meet its goal of cutting methane by 10 per cent by 2030. A similar programme for cows kicked off this year, but this isn’t factored into the commission’s first budgets.

Fertiliser use will decrease. When there’s too much nitrogen available in the soil, bugs produce the greenhouse gas nitrous oxide, but selective fertiliser application can help break this cycle. The commission has floated the idea of pricing artificial nitrogen fertilisers as part of our Emissions Trading Scheme, rather than waiting to include them in the new pricing system for livestock emissions (known as He Waka Eke Noa).

A methane-cutting technology will need to emerge – or we may have to make greater cuts to herd numbers. Without a vaccine or food additive that reduces methane, we may just scrape into our 2050 targets but are unlikely to be on track to limit global warming to 1.5 degrees Celsius, the commission says. The commission wants to see a boost towards research into promising techniques.

What’s new? Feedback to the commission said it would be harder to cut agricultural emissions by improving how we farm. The herd reduction estimates have been revised from 15 per cent, down to 13.6 per cent. The idea to price agricultural nitrous oxide in one way (under our Emissions Trading Scheme) and agricultural methane in another wasn't in the draft advice.

Animal numbers in Aotearoa are expected to fall by 8 per cent, but the roadmap ramps this up by an additional 6 per cent. TOM LEE/Stuff

On the grid

The Huntly power station will ditch coal by 2030. The commission proposes that natural gas be used as a back-up fuel after that date, though that’s at odds with the Government’s plan to have a back-up power plant running on renewables by the end of the decade. Watch this space.

New wind and solar farms will appear on hills and sunny flats. Renewable power plants will need to generate 20 per cent more power to meet the new demand for electricity by 2035.

Geothermal plants play a role, alongside wind and solar. Owners of geothermal stations are hoping to come up with a technical solution (such as reinjecting greenhouse gases back into the ground) to reduce the emissions they produce.

What’s new? The commission originally thought geothermal generation plants with high emissions may be forced to close, but it now notes their footprints decreased in recent years, and should continue to.

In our forests


Native deforestation will be banned from 2025.
Instead of losing native forest, the country will start to gain it: planting at least 12,000 hectares in 2021, rising to 25,000 hectares annually by 2030. These new forests will suck up carbon for centuries. We’ll start to notice more native birds and lizards and increasing water quality from the new forests.

Exotic forest planting will also ramp up between now and 2030. After that, new pines will taper off, with an increased focus on permanent native planting.

What’s new? No major changes. The commission agreed that pest control is essential to ensuring our newly planted forests survive.

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