A group of scientists and ocean life advocates says a type of whale that is one of the rarest marine mammals in the world lost nearly 10% of its population last year

Prosecutors in Orange County have opened a criminal investigation into the energy company that operates the pipeline that leaked up to 144,000 gallons of oil into the Pacific Ocean.

Testing, beginning in 2018, showed continued elevation of lead levels in the water despite corrosion control measures being implemented.

Manatees are starving to death because algae blooms and contaminants are killing the seagrass the beloved sea mammals eat

The operator of the ship that allegedly caused a pipeline to leak thousands of gallons of oil into the Pacific Ocean will be questioned as part of another investigation.

Species that once thrived in North America are meeting their demise.

Regulators are directed to ban the sale of new gas-powered lawn equipment.

Oil has been washing up on Southern California beaches and wetlands all week.

After a crude oil sheen was detected on the waters off the Southern California coast, environmentalists feared the worst

Coast Guard investigators say an underwater Southern California oil pipeline was likely struck by an anchor several months to a year before a leak spilled tens of thousands of gallons of crude

Oil has been washing up on Southern California beaches and wetlands all week since a leak in an underwater pipeline from an offshore platform sent tens of thousands of gallons of heavy crude into the ocean waters

Recently released images show the 13-inch crack along the underwater pipeline that was responsible for leaking tens of thousands of gallons of crude into the Pacific Ocean.

“Banning new drilling is not complicated.”

According to federal officials’ preliminary findings, Amplify Energy was warned of the pipeline's potential failure more than three hours before it was shut off.

An estimated 144,000 gallons of oil leaked from an offshore facility near Huntington Beach.

Authorities are looking into the cause of the massive oil spill that spewed tens of thousands of crude oil into the Pacific Ocean over the weekend.

The weekend oil leak along the Southern California coast happened not far from the site of the catastrophe more than a generation ago that helped give rise to the modern environmental movement itself: the 1969 Santa Barbara oil spill

"It could have been averted if there was a quick response."

Up to 144,000 gallons of oil leaked into the Pacific Ocean on Sunday, forcing activities near the Huntington Beach region to shut down.

Spill killed wildlife; crews scrambled to contain it before it spread further.

California oil spill threatens the lifestyle of those who surf, walk the shore.

A massive spill in California is fouling beaches, wildlife, protected wetlands.

Humberto Less quit his job in Barcelona to return home to Gran Canaria to clean up the coastline and find ways to turn waste into furniture that will last a lifetime.

Six Native American tribes are suing Wisconsin to try to stop its planned wolf hunt in November

The dispute threatened to derail a multi-state agreement to protect the river.

It's hard to tell farmers they won't get water they need or maybe none at all.

The CEOs of Exxon Mobil, BP, Chevron and Shell have been called to testify before Congress on an alleged industry-wide disinformation campaign.

Top officials neglected to fulfill citizens’ rights to clean air the court said.

The hole already surpasses the size of Antarctica.

Dozens of American Indian tribes are demanding the Biden administration enact emergency protections for gray wolves

Researchers have completed a comprehensive online map of the world’s coral reefs by using more than 2 million satellite images

Spanish scientists say Europe's southernmost glaciers will likely be reduced to ice patches in the next two decades due to climate change

The U.N. weather agency says the world and especially urban areas experienced a brief and sharp drop in emissions of air pollutants last year

Lanternflies may be pretty to look at, but wildlife officials are saying they can threaten crops and damage outdoor furniture.

Wildlife officials are urging people to kill spotted lanternflies as the insect spreads across some U.S. states

Trump ended protections for hundreds of thousands of small streams and wetlands.

Despite a few high-profile conservation success stories, birds of prey worldwide are in decline

A team of Arctic researchers from Denmark say they accidentally discovered it.

Federal scientists are launching an effort to better understand the hydrology in the U.S. West

An innovative project in the remote Galapagos islands has turned dozens of local inhabitants into citizen scientists at a moment when the pandemic has dried up tourist income

Bees -- whether wild or managed --are integral to the production of the world's food supply.

The northern Colorado city of Greeley is in one of the fastest-growing regions in the United States

Federal officials have declared a shortage in Lake Mead, the largest reservoir in the country, amid a historic decadeslong megadrought in the region.

Hyenas help redistribute calcium and phosphorous by crunching bones.

Hydrogen, the most abundant element in the universe, is viewed, along with electric vehicles, as one way to slow the environmentally destructive impact of the planet’s 1.2 billion vehicles, most of which burn gasoline and diesel fuel

Greater detection of toxic PFAS chemicals in drinking water systems nationwide has alarmed state and local leaders and prompted Congress to seek urgent action from EPA.

About 96,000 farmed salmon are believed to have died when a leak in a tank sent 15,000 liters (4,000 gallons) of chlorine into a fjord in Arctic Norway and further out to the Atlantic Ocean

Lawmakers and water utilities in the West are urging residents to conserve water as reservoirs hit record lows amid megadrought driven by climate change.

The owner of an inactive Colorado mine that was the source of a 2015 spill that fouled rivers in three Western states has sued the U.S. government

The Paraná River, one of the main commercial waterways in South America, has reached its lowest level in nearly 80 years due to a prolonged drought in Brazil that scientists attribute to climate change