Environment

Will water cutoff leave the North Valley communities high and dry?

University of Arizona scientists are processing data from images of Earth after their asteroid-chasing spacecraft flies by.

Three calves were dead, and investigators had a prime suspect: a lone female Mexican wolf with a failing radio collar.

The Solana solar plant has more production problems, and more air-pollution allegations, despite previous statements by officials that similar foul-ups in the past had been solved.

The U.S. Fish and Wildlife Service may survey Mexican wolf populations to find out if, in fact, these wolves comprise a distinct subspecies.

Thanks to a Trump Administration executive order, Zinke could rescind or scale down four Arizona national monuments, including the Grand Canyon-Parashant, Ironwood Forest, Sonoran Desert and Vermilion Cliffs.

Nuclear plants reportedly have become a target of cyberattacks, raising questions about security at the large Palo Verde nuclear plant outside of Phoenix.

An extraordinary crew of 20 women find redemption in fighting fires.

Environmental protections for the Mexican wolf, also known as the lobo, could be weaker under a new U.S. Fish and Wildlife Service plan for Arizona and New Mexico.

A drone over the Goodwin fire area grounded firefighting aircraft temporarily on Wednesday evening.

The Western Governors’ Association approved a resolution that would hand over much greater authority to the states on listing and protecting endangered species under the 1973 law.

Right now, only three of 16 fires in the state are larger than 10,000 acres. But a fire doesn’t have to be enormous to be deadly or destructive. The 2013 Yarnell Hill Fire, which killed 19 firefighters and destroyed 129 homes, started as an insignificant lightning strike and grew to an 8,500-acre conflagration.

It would be be a political and legal minefield — but will that stop him?

A Colorado based water conservation group says water rationing could begin next year in Arizona, but one author suggests the state is more conservation-minded and collaborative than most think.

ADEQ is more than halfway through testing lead levels in schools across the state. It found 69 in the Valley with elevated levels, but health officials say there is no risk to children. Creighton Elementary School in Phoenix had five cases above the threshold in drinking water, the most in Maricopa County.

A new climate-change study making headlines this week shows that Phoenix could be among the U.S. areas hardest hit by incoming “climate migrants” as rising seas wipe out coastal real estate. But the study shows that Maricopa County would only receive 100,000 extra people by 2100 — just a tiny bump for the fast-growing region.

Activists are concerned about plans to truck radioactive uranium ore through the reservation

Arizona’s largest public utility agreed on Wednesday to limit a planned rate hike for all customers and grandfather in rates for existing rooftop solar customers .New solar customers would receive similar compensation rates as existing customers.

There are at least 72 mammals, plants, birds and fish in the state that are listed either as “endangered,”or “threatened.” With Donald Trump as president, many in the GOP want to end the protection for them.