Dirty air is also very warming, new study finds. (Image Source: Benutzer/Creative Commons)

A new study finds that soot, smoke and smog — black carbon — is the second largest contributor to climate change, after carbon dioxide. These results are surprising, and may point the way to some immediate paths for climate change mitigation. JISAO‘s Sarah Doherty and ATMOSStephen Warren are co-authors; read more here or check out the paper!