When marine heatwaves and ocean acidity extreme events co-occur, it can have severe impacts on marine ecosystems.

Every 60 seconds the equivalent of a lorry-load of plastic enters the global ocean.

New research on Antarctica, including the first map of iceberg calving, doubles the previous estimates of loss from ice shelves and details how the continent is changing.

Antarctic saw another month of record-low sea ice coverage

The same La Niña conditions that helped usher in an exceptionally hot and dry summer are also setting the stage for increased hurricane activity — but those storms won’t bring the kind of rain Texans have been hoping for.

The Tibetan Plateau, known as the “water tower” of Asia, supplies freshwater for nearly 2 billion people who live downstream. 

Fiddler crabs burrowing beneath arid mangrove forests help bring beneficial bacteria to an ecosystem in dire need of nutrients.

On a recent summer morning near Camden, New Jersey, two divers from the U.S. Environmental Protection Agency hovered over a patch of sediment 10 feet below the surface of the Delaware River. 

Side by side, Dylan Jones displayed photos of two oak leaves, plucked from oak savannas on the West Coast.

Dust from all over the world is landing in the Sierra Nevada mountains carrying microbes that are toxic to both plants and humans.