The study is expected to inform solutions to keep Philadelphians safe from dangerous heat waves made worse by climate change. Temperature and air quality sensors attached to Carolyn Martin's car.

The Environmental Protection Agency (EPA) has approved for use in government road construction projects a substance that has been regulated due to radioactivity. Phosphogypsum, a waste product that ...

The U.S. Supreme Court today declined to block a ruling by a three-judge district court that is preparing to draw a new congressional map for Alabama to use in next year’s elections. In a one-sentence ...