Human activities add large quantities of nitrogen to the environment, much of which gets washed into streams and rivers.

Beneath the ice on small streams across Pennsylvania, thousands of species of fish, insects, snails, and mussels are waiting ...

LIHU‘E — On Kaua‘i, three things are certain — death, taxes, and dirty rivers. The Kauai Fire Department (KFD) rescued a 57-year-old female visitor from Virginia Beach, ...

Like cows and humans, even our rivers can be gassy. A “Nature” paper co-authored by researchers at the Yale School of the Environment last month quantified the methane contributions of all the world’s ...

LIHU‘E — Not even low rainfall can stop Kaua‘i’s rivers and streams from contamination. Three state agencies remain on alert after a third presumptive case of avian influenza was ...

Researchers noticed that Alaskan streams had turned bright orange. Warmer summers and melting permafrost may be turning the water rusty and acidic. Scientists are racing to figure out the cause so ...