"The federal agency providing oversight of the commercial nuclear sector is attempting to push through a rule change critics say could allow dangerous amounts of radioactive material to be disposed of in places like municipal landfills, with potentially serious consequences to human health and the environment."

"When a wildfire explodes out of control and threatens property and lives, thousands of firefighters and support crews rush to the scene from around the country and even the world. Almost overnight a small city sprouts up, with firefighters camped in dense rows of tents in fields and eating in crowded mess halls."

"All day it had been sunny. Then it grew dark as the winds began to whip. Daniel Felder stepped out into the road to watch the acrid smoke billow toward him. Ash started raining from the sky like light snow drifting in twilight."

"Officials are scrambling to find ways to protect residents against dueling threats of extreme heat and the coronavirus."