"The Environmental Protection Agency has agreed to step up enforcement in Pennsylvania to ensure that it meets targets for reducing pollution in the Chesapeake Bay, state and environmental officials announced Thursday."

"Garrett Cammans and his brothers sometimes don’t talk about their toughest moments on the job in the cloud seeding business, like the time when one of them got stuck in deep mountain snow and had to hike out alone in the dark."

"About 2.4 million people in Thailand have sought hospital treatment for medical problems linked to air pollution since the start of the year, health officials said, as toxic smog chokes parts of the country."

"The Biden administration has identified more than 175,000 square miles (453,000 square kilometers) of old growth and mature forests on U.S. government land and plans to craft a new rule to better protect the nation’s woodlands from fires, insects and other side effects of climate change, federal officials planned to announce Thursday."