Kerosene-powered aircraft are damaging the climate
CO₂ emissions from kerosene remain in the atmosphere for centuries, causing continuous warming, contrails, and cirrus clouds. Soot particles from kerosene combustion bind moisture. The resulting clouds reflect the Earth's heat radiation like a pane of glass in a greenhouse. This effect is short-lived, but at cruising altitude, intense nitrogen oxides lead to the formation of ozone, a potent greenhouse gas, and simultaneously break down methane. The warming effect of ozone clearly outweighs the negative effects. Sustainable aviation fuel (SAF) is the umbrella term for all aviation fuels that, unlike conventional kerosene, are produced without the use of fossil materials.
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