Extreme conditions helped drive the fast-moving fires that destroyed thousands of homes in the Pacific Palisades and Altadena.

Climate change caused by human activity increases the risk of devastating fires, like the ones in Los Angeles, California,according to the World Weather Attribution (WWA) network. The fires left at least 29 dead and thousands homeless.

Climate change helped to set the stage for the devastating Los Angeles fires this month, a new study by 32 researchers shows. The Palisades and Eaton wildfires broke out in early January and soon killed at least 28 people,