Contrails from aeroplanes warm the planet – here's how new low-soot fuels can help

By David Simon Lee, Professor of atmospheric science, Aviation and Climate Research Group Leader, Manchester Metropolitan University

While aviation accounts for 2.4% of all emissions from fossil fuel use globally, two-thirds of the sector’s warming effect depends on something other than its CO₂ emissions. And one of the most significant ways aviation contributes to global warming is through the clouds aeroplanes create in the upper atmosphere.

But, in a new study, researchers have shown that alternative fuels to the kerosene that aeroplanes…

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