Body found in Lake Mead identified as man who drowned in 1974, coroner says

Donald P. Smith was 39 when he was reported missing in the waters of the Colorado River reservoir behind Hoover Dam, the Clark County coroner’s office said in a statement. The identification was made through DNA, and his death has been ruled accidental.

US lawsuit seeks to protect endangered coral reef species

An environmental organization is suing the U.S. government and accusing it of failing to protect 12 endangered coral species across the Caribbean and the Pacific Ocean that have been decimated by warming waters, pollution and overfishing.

170 trillion pieces of plastic are in the Earth’s oceans, study finds

"We’re breathing it in. We’re drinking it in our water … eating microplastics in our foods. We’re literally eating and drinking our trash."

Xcel to power down Monticello nuclear plant after new contaminated water leak

Xcel Energy is working to power down the Monticello nuclear power plant on Friday to make repairs after a new leak of radioactive water was reported this week.

New storms mark wet start to spring for parts of Western U.S.
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Arizona and much of the Southwestern United States have seen a wet start to spring as a result of recent storms, and that is having an impact on the region's drought conditions. Reporter Ashley Soriano has more.

Supreme Court justices appear split in Navajo Nation water rights case

Justices on the U.S. Supreme Court appear split as they weigh a dispute involving the federal government and the Navajo Nation's quest for water from the drought-stricken Colorado River.

Apaches tell court copper mine would harm sacred sites

U.S. federal government plans for a land swap that will allow Resolution Copper to build the mine will destroy the land in eastern Arizona known as Oak Flat, “barring the Apaches from ever accessing it again and ending their core religious practices forever,” said attorney Luke Goodrich, arguing for the group Apache Stronghold.

Biden designating national monuments in Nevada, Texas

Biden's actions come as he faces sharp criticism from environmental groups and youth activists over his approval of the huge Willow oil drilling project in Alaska.

UN climate report warns world is on 'thin ice'

“Humanity is on thin ice — and that ice is melting fast,” United Nations Secretary-General Antonio Guterres said. “Our world needs climate action on all fronts — everything, everywhere, all at once.”

City of Phoenix considering big water rate hike: Here's what you should know

The City of Phoenix is looking at raising water and sewer rates, as well as lowering the monthly water allowance for its water users. Here's a look at what they are proposing.

Minnesota nuclear plant leak didn’t require public notice: Regulators

Minnesota regulators knew four months ago that radioactive waste had leaked from a nuclear power plant in Monticello — but they didn’t announce anything about the leak until this week.

Feds want justices to end Navajo fight for Colorado River water

More than 150 years ago, the U.S. government and the tribe signed treaties that promised the tribe a “permanent home" — a promise the Navajo Nation says includes a sufficient supply of water.

Scientists: Largest US reservoirs moving in right direction

Climate experts caution that the favorable drought maps in the Southwest represent only a blip on the radar as the long-term effects of a stubborn drought persist.