More Environment Stories

House passes bill banning future Grand Canyon uranium mining

The bill would block mining on 1 million acres near the Grand Canyon.

Border wall construction continues across sensitive lands in Arizona

Contractors are working on new border wall east of Douglas, which will cross the San Bernardino National Wildlife Refuge.

CAP shutdown might produce cloudy water

Annual maintenance shifts Tucson Water to local wells.

Scientists recognize new fish in northern Mexico

The Rio Concepcion topminnow is related to the Gila topminnow.

Group warns of consequences in Arizona if mercury emission standard is rolled back

A report says lives and costs are saved with the Mercury and Air Toxics Standard in place.

UA shifting to more renewable energy with TEP deal

The university plans to get 60% of its power from wind and solar by the end of 2020 as part of the agreement.

Groups: Saving Mexican gray wolves requires new approach

Management of the endangered predators in the Southwest requires some rethinking, environmental groups say.

Study finds plastic in stomachs of 20% of Mexican fish

Microplastics are created when plastic breaks down in ocean water.

Project links river parks on Pima County Loop

Pedestrian bridges were just one part of the project to reinforce riverbanks to protect a gravel pit and I-10.

Researchers working to understand forest response to global warming

A UA ecologist's data is contributing to a global effort to track climate change effects.

Proposals would dam Little Colorado River for hydropower

The proposals are reigniting concerns brought up by a failed plan years ago to build a gondola into the Grand Canyon.

Animal-masked artists protest construction of border wall

A group of Tucson artists staged an art performance near Lukeville last Sunday.

Border wall construction in Arizona moves ahead

Preparations for more construction are underway near Douglas and on the San Pedro River.

Environmentalists concerned about two dam proposals near Grand Canyon

Opponents say the projects would disrupt the ecology of the area and damage a site sacred to the Hopi Tribe.

ADOT widens I-10, but will it be enough?

The number of cars traveling between Tucson and Casa Grande could quadruple in two decades.

Tucson cutting, but not canceling, recycling pickup

The curbside recycling service will be reduced to every other week, and the city expects to save $1.4 million a year.

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