More Arizona Environment U.S. Stories

Interior Secretary Reinforces Glen Canyon Dam Preservation

Jewell says during recent visit cooperation of 7 Colorado Basin states key to save source of water, electricity to much of Southwest.

Initial Tests Show No Toxic Waste in San Pedro River

AZ Dept. of Environmental Quality sampled two areas Tuesday after alert that contamination from Mexican mine could potentially make its way north.

AZ Top in Nation for Solar Energy Per Capita

Study notes state policies such as Renewable Energy Standard have attracted more people to get clean energy; also pointed some setbacks in past year.

2 AZ Congressmen Introduce Bills to Slow Air Quality Regulation

Legislation seeks to minimize work for states to get exemption to naturally-occuring violations.

Lookouts at Forefront of Fire Spotting

Mac Tippins will spend 4-5 months on duty in Mt. Lemmon's Lemmon Rock Lookout.

Project Aims to Detain Rainwater to San Pedro River Aquifers

Goal is to have water make its way into river, keeping it flowing even in dry seasons.

Tucson Launching Compost Pilot Project

City teaming up with UA group, Tohono O'odham Nation to collect food waste, turn it into fertilizer.

Climate Change Threatens AZ Water Supply, UN Report Says

“...changes are already occurring in the Southwest...with increased warming, these problems will only get worse," says UA professor, one of study's authors.

As Fire Season Approaches, Yarnell Tragedy Examined

"For all of the sort of graphic and horrible qualities of the fire that made it so compelling to the general public, I don't think it taught the fire community anything," argues Stephen Pyne, fire historian at ASU.

US, Mexico Cooperate to Restore Flow of Water to CO River Delta

Water hasn’t flowed regularly in the once-lush delta since 1960; Starting March 23, 105,000 acre-feet will be release from the Morelos Dam bordering Yuma.

Disease Drives Shrimp Prices; UA Researcher Seeks Solution

Syndrome kills species when young, causing entire crops to be lost; scientist finds way to detect it early on.

Scientists: Darkness Harder to Find Due to Overpopulation

Use of artificial lights is increasing around the world; experts say tens of millions of people have never experiences truly dark skies.

AZ Week: Talks of AZ Water Crisis, Officials Search for Solutions

Existing supplies may not suffice in future; issues raised about where, how state will find more.

AZ Considers Another Large Scale Solar Power Plant

Proposed project, Maricopa County Park, would produce 300 megawatts of solar electricity, enough to power about 150,000 homes.

Suspect Charged in Saguaro National Park Vandalism

16-year-old boy alleged to have spray-painted graffiti on 11 saguaros, other spots in May.

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