UK quietly lowers its aviation-emissions ambitions, government data shows
New forecasts show clean-flight technology will only cut UK aviation emissions by a quarter by 2050 — far short of earlier climate targets — just as ministers move to approve a third Heathrow runway.

Updated UK government forecasts, quietly published in June, show that electric aircraft, sustainable aviation fuel and efficiency upgrades will cut flight emissions by only about 25% over the next two decades — leaving 2050 aviation emissions almost 50% higher than projected under the "jet-zero" strategy launched in 2022.
The revised numbers land as the Labour government signals support for a contentious third runway at Heathrow Airport, with a final planning decision expected by 2029; ministers have defended the expansion partly by pointing to progress on clean-aviation technology.
To stay compatible with the UK's legal net-zero target, the shortfall would need to be offset through costly, largely unproven carbon-removal technology or large-scale new forests — raising questions about whether the government's aviation-growth plans are compatible with its own climate commitments.
Reporting by Josh Gabbatiss for Carbon Brief. Original: https://www.carbonbrief.org/uk-aviation-emissions-to-be-50-higher-than-thought-by-2050-government-admits
This article was produced with the assistance of AI tools and reviewed by an editor before publication.


