Hugh Safford, an environmental science and policy researcher at the University of California, Davis, is silhouetted as he examines damage from the 2021 Caldor Fire in Eldorado National Forest, Calif., near Lake Tahoe on Oct. 22, 2022. Scientists say forest is disappearing as increasingly intense fires alter landscapes around the planet, threatening wildlife, jeopardizing efforts to capture climate-warming carbon and harming water supplies. (AP Photo/Brian Melley)
