Thursday, April 22

Australian bushfires warmed the stratosphere by 1°C for six months

Bushfires burn along a mountainside in New South Wales, Australia

John Moore/Getty Images

Smoke pollution from the 2019–2020 Australian bushfires warmed the stratosphere over the southern hemisphere by at least 1°C for six months, according to a new analysis.

The devastating 2019–2020 bushfire season in Australia injected huge amounts of smoke into the stratosphere and led to record aerosol pollution.

Yu Pengfei at Jinan University in China and his colleagues used a climate model to simulate the atmospheric smoke movement and its environmental impacts. They found that the smoke remained in the stratosphere for all of …

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