Fish Kill

About 14,400 gallons of untreated sewage began spilling into Ballona Creek on Wednesday, leading to a closure order for a large stretch of the Los Angeles coastline.

Hundreds of thousands of fish have died in a reservoir in southern Vietnam's Dong Nai province, with locals and media reports suggesting a brutal heat wave and the lake's management are to blame.

A professor who helped save Europe's largest saltwater lagoon is one of this year's winners of the Goldman Environmental Prize, known as the "Green Nobel."

Pump system helps manage water in ways that no longer occur naturally in this and many other shallow lakes in Minnesota.

Ahead of World Rivers Day (24 September), new research by the University of Oxford reveals that sewage discharge into rivers has a greater impact on water quality, and the animals and plants that live in rivers, than surrounding land use. The findings have been published in the journals Global Change Biology and Ecological Solutions and Evidence.

It's the perfect fuel for storms: warm ocean water, at least 80° Fahrenheit. Without it, powerful storms like Andrew, Katrina, and Ian would never have formed.

Experts say the fish kill might have been caused by a combination of extreme heat and stormwater runoff lowering oxygen levels in the seawater close to shore.

The Department of the Interior announced Friday that it is adjusting regulations to allow certain endangered species to be reintroduced to areas that are outside of their traditional habitat.

Under the new bill, Florida could have roads made of phosphogypsum, a material known by the EPA to contain a "potentially cancer-causing, radioactive gas," that's the second-leading cause of lung cancer in the U.S.

The ocean heat wave could continue into fall, a new experimental forecast found. Warm oceans can be a source of extreme weather and polar ice loss.

Gov. Ron DeSantis signed the largest budget in state history recently. But many Florida environmentalists feel one critical action was missing — a line-item veto to a measure that would suspend cre…

In the 19th century, many of Australia's urban creeks and rivers were in poor shape. Melbourne's major river, the Maribyrnong, was full of waste from abattoirs, tanneries and factories.

Thousands of dead fish have washed up on Texas' Gulf Coast over the weekend due to what officials have called a low dissolved oxygen event.

The rivers running through the hearts of Australia's major cities and towns are often carrying heavy loads of nutrients and sediments.

What you need to know about the removal of the Klamath dams, the largest project of its kind in U.S. history

For most Californians, the sight of aircraft spewing neon pink liquid over flaming trees and brush has become a hallmark of aggressive wildfire suppression campaigns—if not a potent symbol of government's struggle to control increasingly destructive forest fires.

Millions of dead fish have been found dead in an Australian river due to dangerously low oxygen levels in the water caused by receding flood waters, government officials said.

Ohio officials and the Environmental Protection Agency said Tuesday that air monitoring shows levels in residences impacted by the toxic Feb. 3 train derailment are below concern.

Thousands of dead fish and other marine life carcasses are washing ashore in the San Francisco Bay Area, creating a foul smell. Experts point to an unprecedented "red tide" algae bloom as the mostly likely cause.