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Aviation is on track to be responsible for 80% of the UK’s carbon dioxide (CO2) emissions by 2050, according to the Climate Change Committee (CCC).
Emissions from flying have more than doubled since 1990 – driven by rising passenger numbers – even as the climate impact of every other sector in the UK economy has fallen.
The UK does not have “credible” policies in place to reverse this trend of rising emissions, says the CCC in new advice to the government on future aviation policy.
The government has signalled its support for expanding Heathrow, the nation’s largest airport, while relying on “techno-fixes” such as “sustainable aviation fuels” (SAFs) to cut emissions.
Yet, even without Heathrow expansion, the CCC says aviation emissions are on track to be higher in 2050 than they are today – reaching 38m tonnes of CO2 (MtCO2).
As the chart below shows, this would account for most of the remaining CO2 from the UK economy, all of which would need to be removed from the atmosphere in order to meet the legal target of net-zero emissions.
Expanding Heathrow would add another 2.4MtCO2 in 2050, amounting to around 5% of all the UK’s emissions. (This would increase to 4.5MtCO2 when expansion is complete in 2054.)
With a final decision on Heathrow expansion expected by 2029, the government asked the CCC for its advice on whether the plan is compatible with the UK’s climate targets.
The CCC has concluded that the UK simply lacks sufficient policies to reduce aviation emissions and “expanding Heathrow would compound the problem”. In a press briefing, CCC chair Nigel Topping told journalists:
“The UK does not currently have a credible plan to reduce [aviation emissions] in line with net-zero, so that creates a serious challenge for meeting our climate commitments.”
The “jet-zero strategy”, launched by the previous Conservative government in 2022, set out plans to cut aviation emissions. However, the Labour government has since accepted that the strategy’s expectations for SAFs, electric planes and fuel-efficiency improvements were unrealistic.
The CCC says a “credible and robust net-zero policy framework for aviation” should be set out in a revised strategy, which is planned for 2027. Only then could Heathrow expansion be aligned with the net-zero goal, adds the committee.
As part of this new strategy, the CCC says the “aviation sector needs to take responsibility for its emissions”. It says policies should be designed based on the “polluter pays” principle, requiring the aviation industry to fund its own SAFs and CO2 removal.
Specifically, the committee says funding will be needed for “engineered removal” technologies, such as direct air carbon capture and storage (DACCS).
These technologies are currently “not yet available at the scale required”, but are vital for the kind of permanent CO2 removal needed to mop up aviation emissions, says the CCC.
(“Natural solutions” such as tree planting are the other main way CO2 is expected to be removed from the atmosphere. However, the CCC envisages these removals offsetting the remaining methane emissions from livestock agriculture in the UK, whereas it says “engineered removals” would be required to remove and store CO2 from flights.)
The CCC acknowledges that placing decarbonisation costs on airlines would likely lead to higher ticket prices. It estimates that this could mean an increase, in 2024 prices, of around £150 for a return trip to Alicante, Spain, and £400 for a return trip to New York by 2050.
However, it says this is preferable to a public spending approach, which would result in the roughly 50% of the population who do not fly paying for flight-related CO2 removals.
In addition, the committee notes that higher costs would help to manage demand for flights, which would otherwise be expected to increase considerably over the coming decades.
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CCC: Heathrow expansion could push flights to ‘80% of UK emissions by 2050’
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Prepared by a coalition of nine Western Australian union, industry, conservation, and community organisations—including UnionsWA, the Conservation Council WA, and the Smart Energy Council—the WA Clean Energy, Jobs & Industry Plan provides a practical roadmap to transform Western Australia into a clean energy powerhouse while creating thousands of secure local jobs.
Western Australia stands at a pivotal crossroads: lead the global clean energy economy or watch investment, future industries, and secure jobs go elsewhere. The WA Clean Energy, Jobs & Industry Plan outlines a transformative blueprint to harness the state’s world-class solar and wind resources. Discover how legislated renewable targets, green iron manufacturing, and a dedicated regional training strategy can generate tens of thousands of local jobs, lower household bills, and build a resilient, net-zero future for all Western Australians.
WA needs a clear and forward-thinking plan if it is going to become a competitive renewable energy powerhouse and maintain its economic strength through the energy transition.
“Western Australians know a faster renewable energy transition will lower their household expenses and prevent harmful climate pollution. But the community also needs clear direction to ensure this transition will create jobs, lower costs and not cause undue environmental harm.
“Here, sectors representing a broad range of interests have laid the groundwork for those outcomes, clearly outlining what is needed to create a future for WA that is good for the environment, for the climate, for workers and for the economy.
Summary
The WA Clean Energy, Jobs & Industry Plan sets out a strategic roadmap to position Western Australia as a global clean energy superpower while creating thousands of secure local jobs.
The report establishes three overarching goals:
- Creating local employment.
- Maintaining industrial competitiveness.
- Lowering household energy costs
To realize this vision, the framework details actionable measures to follow on from the recent WA Government announcement of a 75% Renewable Energy Target by 2031 for the South West Interconnected System. This includes developing a statewide Renewable Energy Target, coordinating statewide workforce and training pipelines, strategically planning regional infrastructure to safeguard high-value biodiversity and cultural heritage, and ensuring equitable benefit-sharing through household electrification incentives and First Nations equity partnerships. Ultimately, the plan highlights that establishing clear policy and regulatory certainty will unlock lower energy bills, boost power reliability, and secure the state’s global competitiveness in emerging green commodity export markets.
Key Findings
- Statewide Renewable Energy Target and Emissions Reduction Targets: The report calls for a statewide RET and 1.5°C aligned emission reduction targets to remove policy risk, lower capital costs, and attract clean energy investment.
- Transformative Job Creation: Accelerating the transition offers massive employment prospects, including up to 8,800 solar and battery jobs by 2050, as well as 24,000 ongoing and 11,000 construction jobs in a commercial green iron industry.
- Industrial Electrification & Competitiveness: Requiring large gas users to adopt binding electrification timetables and providing concessional financing will protect existing energy-intensive manufacturers from rising energy costs and impending domestic gas shortfalls.
- Green Commodity Export Leadership: Western Australia can build new export markets in green iron, green ammonia, and offshore oil/gas decommissioning by constructing shared common-user infrastructure and setting dedicated Green Commodity Export Targets.
- Coordinated Workforce & Training Pipeline: To address critical skill shortages the plan recommends establishing a WA Clean Energy Jobs Plan 2050, three regional training hubs, and dedicated pathways for female and under-represented apprentices.
- Environmental Safeguards & Community Benefits: Fast-tracked development must be paired with State Planning Policies that avoid high-biodiversity and cultural heritage lands, mandate new data centres to run on additional renewable power, and deliver household electrification rebates and First Nations equity partnerships.
What you can do
WA has an opportunity to lead on sustainable, clean energy and associated industries. You can help by:
- Sending an email to Environment Minister Murray Watt and Prime Minister Anthony Albanese, calling on them to reject Browse.
- Sharing this story to help more Australians understand what’s at stake.
- Encouraging your friends and family to take action.
Countries have completed the first “global review” of their progress towards reversing nature loss by 2030 at the COP17 biodiversity talks in Yerevan, Armenia.
The review “notes with deep concern” that, unless action is “rapidly accelerated”, the goal to reverse nature loss and meet a set of 23 targets by 2030 “will not be achieved”.
It “urges” countries to accelerate action, including by “increased ambition in addressing the gaps”.
Much of the discussions in Yerevan focused on how to raise the necessary funds to help developing countries protect nature.
Some major economies pushed to expand the range of nations that are expected to provide finance, with countries agreeing at the end of the two weeks of talks that non-donors that want to contribute can “signal interest” before COP18.
This came after developed countries failed to meet a target to significantly ramp up nature finance over the last few years.
It also came as a landmark fund agreed at COP16 in Colombia to pay communities for the genetic resources derived from nature stands nearly empty two years on.
The Yerevan talks marked the halfway point of the “Kunming-Montreal Global Biodiversity Framework” (GBF), the “Paris Agreement for nature” first made in 2022 and due to