Oceans & Clean Water

Materials needed to make the batteries for electric cars and other clean technology is driving interest in deep-seabed mining, and scientists fear the cost to the ocean will be steep.

A new study reveals that certain kinds of fish are more likely to have ingested plastic — including hundreds of species people depend on for food.

Collecting runoff from rain and other precipitation to aid water supply has great potential, but its many benefits are often overlooked.

The United States must grapple with a legacy of 90,000 dams, many unsafe or unwanted.

Being able to forecast marine heatwaves could help minimize ecological and economic damage. But first, scientists need to better understand what's driving these events.

Here’s what we know (and don’t know) about how dangerous PFAS chemicals travel ocean currents and harm wildlife — and what that could mean for humans.

You may not have heard much about the long fight to remove the Nooksack Dam near Bellingham, Washington, but its detonation this week will prove ecologically and culturally important.

Here’s why the action is so harmful, how it’s possibly illegal, and why it won’t help struggling fishing communities.

A new study took a deep dive into critical aspects of ocean life to identify the areas of the high seas most worthy of conservation effort.

A historic international treaty to protect marine biodiversity is currently being negotiated, but will it be strong enough to create reserves and boost conservation efforts?