More Environment Stories

Planting Fish to Kill Mosquitoes: 'This Is Historical'

Endangered fish species going into swimming pool to eat larvae.

Rosemont Mine Takes Step Forward with Forest Service Approval

More permitting and approval must go through before operations can begin.

Climate Scientist: Leaving Paris Accord Bad for Southwest

The region is already experiencing the effects of global warming, says Valerie Trouet.

South Tucson to Receive $300K for Contaminated Sites

The funding will go to assessing "brownfield" sites to promote redevelopment in the city, the EPA says.

Team Maps Genome of Mojave Desert Tortoise

Researchers are looking there for a 'gold mine' of information about changes and adaptations.

Heat May Have Killed Illinois Man West of Tucson

34-year-old's body found on hiking trail in Saguaro National Park West.

Big Role for Little Fish: Mosquito Control in Pima County

Officials hope the native Gila topminnow will be effective replacement for mosquitofish.

Tucson Ranks Low in Public Park Availability

Trust for Public Land rankings show many Tucsonans do not have easy access to a park.

Fire Restrictions in Place As Holiday Weekend Approaches

Some campfires banned, also smoking and firing weapons.

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.

Official on Pinal Fire: 'What Nature's Intended to Do'

Fire managers have been waiting for this kind of burn to help restore the forest.

Four Arizona Monuments Under Review

Department of Interior looking at 27 nationally and taking public input.

Electricity Restored to Tohono O'odham Nation after 2 Days

Weather-related outage started Monday evening; power was restored Wednesday evening.

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.

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