Executive orders and announcements by President Trump have put billions of dollars in U.S. climate commitments into question.

Some of the moves could have major effects for climate change and climate technologies—for example, one of the first orders ...

Trump's pick to head U.S. intelligence has broken with its assessments several times since the Sept. 11, 2001, terrorist attacks.

Becoming partly cloudy Saturday night Cooler but sunny on Sunday, breezy and warmer on Monday More active by next weekend PLANNING THE NEXT 24 HOURS: Sky conditions are going to become more ...