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The Conversation
Environment
Nealan Gerrebos, PhD Student, Chemistry, University of British Columbia

Wildfire smoke may warm the Earth for longer than we thought

Thick smoke fills the air and nearly blocks out the sun, east of Kamloops, B.C., on Aug. 14, 2021. THE CANADIAN PRESS/Darryl Dyck

Wildfires are a major source of air pollution. They are also predicted to worsen as climate change progresses.

Within the smoke particles produced by these fires is a wide range of organic chemical compounds known as “brown carbon.” Brown carbon absorbs sunlight, and in doing so, contributes to global warming.

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