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EXPLORE
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Newsletter

Airlines are trying to curb the climate warming impact of contrails

As millions of Americans prepare to fly home for the holidays, their biggest planet-warming impact may not come from the carbon burned in their planes’ engines but the thin, wispy clouds that trail behind their flights.

Solutions

American Airlines demonstrated contrail-reducing technology

Airliners can leave behind contrails—condensation trails—of ice crystals that form artificial clouds around particles in the planes’ exhaust. These clouds trap heat in the Earth’s atmosphere, and if we could reduce them, scientists believe that it could slow global warming.

Politics

Curbing contrails: a climate solution in the skies

The wispy condensation from jet airplanes can trap vast amounts of heat in the atmosphere.
Causes

What is climate-neutral aviation and how do we get there?

Emissions other than carbon dioxide – especially contrails, which are well known to have a warming effect – are responsible for two-thirds of aviation’s climate impact. But these emissions aren’t covered by current international climate agreements and other efforts to mitigate climate change.

Newsletter
contrails emissions energy
www.abc.net.au

Greener aviation fuels create fewer contrails. Here's what that means for global warming

Alternative jet fuels that create less soot could reduce the contribution of contrails to global warming, according to new research.
Good News
fastest ways aviation could cut emissions
www.bbc.com

The fastest ways aviation could cut emissions

From switching the fuel they use to changing flight plans so they produce fewer contrails, airlines are searching for ways to cut their impact on the climate.
Newsletter
Greener air travel will depend on these emerging technologies
www.nationalgeographic.com

Greener air travel will depend on these emerging technologies

Electric engines, alternative fuels, and better navigation could reduce emissions—and mitigate the impacts of a global return to the skies.
ORIGINAL REPORTING
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Department of Energy allocates $134 million for fusion funding

Aerial view of heavy machinery clearing a forest.

Study finds Indigenous territories of Amazon rainforest can protect humans from disease

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CLIMATE
Smiling people with signs marching in support of science.

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A blue and white ship at sea with LNG written on the side of it.

Wright and Burgum urge Europe to rethink methane curbs