Study: Arizona military base will be hardest hit by climate change
Bases in the state could see an increasing number of dangerously hot days, the study says.
Getting "Down to Eartha".
Also on Arizona Spotlight: Hear a "StoryCorps: One Small Step" conversation from Kansas City; "The 89-90 Trip" heads to Flagstaff; and learning to read the secrets of the trees.
How the Center for Biological Diversity grew in its fight against the 'status quo'
The Tucson-based conservation group has become one of the most influential in the country.
Revived stretch of Santa Cruz River provides oasis for wildlife
Dragonflies, toads and birds are just some of the wildlife showing up since the project started releasing treated wastewater in June.
Global scientist coalition delivers climate warning
An article predicts "untold human suffering" unless deep and lasting shifts are made.
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.
