Oceans & Clean Water

Human activities have imperiled our waterways — along with almost one-third of freshwater fish and many other aquatic species.

Mounting studies highlight greenhouse gas emissions from reservoirs, and now a coalition of environmental groups has called for regulatory action.

Water releases from dams aren’t that good at mimicking natural conditions, a new study finds.

Wetlands can help remove nutrient pollution causing low-oxygen “dead zones.” But how much benefit we reap depends a lot on placement, a new study finds. 

A rise in container-ship accidents adds to the growing marine plastic pollution problem and poses risks to ocean health, wildlife and mariners.

A new report puts into focus for the first time the scope of the state’s drinking-water problems and what it will take to fix them. 

Clickbait stories of happy animals returning to suddenly quiet habitats paint an overly rosy picture of COVID-19’s impact on the marine environment.

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.