New research suggests that a tiny phytoplankton that is an essential part of the marine food web may decline sharply as oceans warm.

A new study warns that rising sea levels could threaten Easter Island’s iconic moai statues by the end of the century.

The Pacific island nation of Vanuatu is living with the daily realities of climate change, as intensifying cyclones, rising seas and saltwater intrusion reshape its coasts and disrupt life.

In landlocked Arizona, where the Colorado River crisis has put water use under a microscope, a new inland desert fish farm is growing barramundi — a tropical species native to Australia.

A wave of new ratifications during the U.N. Ocean Conference in France has brought the High Seas Treaty closer to the 60-country threshold needed for it to enter into force.

The third U.N. Ocean Conference has opened as pressure mounts for nations to turn decades of promises into real protection for the sea.

Dozens of research and exploration vessels have set sail off the French coastal city of Nice across across the Baie des Anges, or Bay of Angels.

Outside of Phoenix in suburban Gilbert, one farming family decided over 10 years ago to get ahead of development and urban sprawl by developing their way.

Increasingly severe cyclones, grazing by invasive goats, and persistent turmoil in Yemen have threatened the survival of the country's iconic dragon’s blood tree.

In Senegal’s gold-rich Kedougou region, women and children face serious health risks from mercury exposure used in gold processing.

Gambia has been rocked in recent months by a heated debate on female genital cutting, a centuries-old practice rooted in concepts about sexual purity and control of women.