Sachi Kitajima Mulkey

It’s the latest twist in the controversial global race to mine the deep sea for rare-earth elements and other valuable resources.

A warmer atmosphere has the potential to hold more moisture, which can contribute to heavier precipitation in any season, scientists say.

Over two decades after negotiations began, the High Seas Treaty is designed to protect biodiversity in international waters by enabling conservation zones.

Last year was Earth’s third hottest globally, but temperature is just one measure of climate change’s influence.

A “green glacier” of trees is steadily taking over native grasslands. Landowners are banding together to treat the problem with fire.

An ocean-mining company has funded some of the most comprehensive scientific studies to date, and peer-reviewed results have begun to emerge.