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

Earth's climate has changed throughout history for numerous reasons, but modern climate change is driven by human behavior.

A new study suggests the Atlantic Meridional Overturning Circulation has not weakened since the 1960s — but there's no doubt ...

A third of the Arctic is now emitting climate-changing greenhouse gasses after thousands of years of storing them, according ...

In southeastern Pennsylvania, Hurricane Ida in 2021 was a preview of a flood-prone future. A report recommends construction ...

Climate news in the opening weeks of 2025 was extraordinary. The Mauna Loa Observatory reported1 a CO2 level of 425.4 ppm for ...