The Chamber has called for legislative action on climate, but the business group didn't take climate into account when evaluating U.S. lawmakers' voting records, an environmental think tank says.
The Trump administration had been moving ahead with the controversial Pebble Mine. That appears to have changed after public opposition from some key Republicans worried about a salmon fishery.
Intense fires in California and Colorado are blanketing a large part of the West with smoke. As fire season gets longer, researchers are studying the health impact.
Around the U.S. this summer, volunteers are driving with sensors to map rising urban heat. City planners and scientists will use those maps to bring relief for people in the hottest neighborhoods.
Firefighters have been battling hundreds of blazes sparked by thousands of lightning strikes. "It wouldn't matter if we had five times more firefighters," says the battalion chief for Sonoma County.