More Environment U.S. Stories

TEP Deal to Provide Solar Electricity for 21K Homes

The array, to be finished in 2019, will be the largest in TEP's renewable energy portfolio.

Grand Canyon Considers Thinning Bison Herd

Park officials worried about damage done by up to 600 bison in the park.

Next Step for Rosemont Mine Approval Could Come in June

Coronado National Forest supervisor expected to sign record of decision in June.

Avra Valley I-11 Proposals Draw Opposition at Tucson Meetings

Citizens disagree with notion of building highway through deserts west of Tucson.

Mulberry Fire Slows After Burning 1,755 acres

Fire started Saturday; authorities say it is human caused.

40,000-Acre Wildfire Slows, But More Winds Expected to Drive It Anew

Wind gusts to 35 mph coming in Thursday could spread Sawmill Fire near Sonoita.

National Weather Service Wants Help Spotting Storms

Program helps meteorologists get view of incoming storms to make monsoon safer.

Spring Weather Draws Hikers, Then Rescue Teams

Many hit the trail unprepared for the reality of hours in the sun.

Best Pet for Sonora? Desert Tortoises Up for Adoption

Nearly 100 captive-born tortoises up for adoption to homes in Sonoran Desert.

Wildlife Officials Pleased With Growing Mexican Gray Wolf Count

Wolf count rebounds to 113 after drop the previous year.

Study: Lake Mead Shortage Could Slow Home Construction, Agriculture

Drought declaration would cause rationing that would affect adequate water supplies.

Jaguar Photographed in Huachuca Mountains, a First

Preliminary indications are that the animal has not been spotted before.

Freezing Temperatures Expected Overnight Through Thursday Morning

Freeze and hard-freeze warnings have been issued by the National Weather Service.

Permit Holders Can Cut Their Own Christmas Trees in Coronado Forest

There are a limited number of permits and certain conditions apply.

TEP Plans to Add More Solar, Wind Power to Energy Portfolio

Two recent requests for proposal would add 100 MW of each for 20 years.

Tucson Team Takes Prize for Wastewater-to-Beer Idea

Group will use $250,000 water innovation award to set their idea in motion.

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