More Environment Stories

Playing Tag with Hummingbirds

Also on Arizona Spotlight: Luis Alberto Urrea on "The House of Broken Angels"; flutist Gary Stroutsos on playing music in sacred places; and Nancy Stanley on founding the stand-up comedy "Estrogen Hour".

Tucson, Marana Suing Makers of Chemicals Found in Well Water

They seek damages for dealing with compounds called PFCs, which don't have established regulatory limits.

Three Things to Know About Colorado River Plans in the Works

Climate change is growing the gap between the river’s supply, and the demands in the communities that rely on it.

Arizona Officials Euthanize 3 Bighorn Sheep to Stop Disease

Game and Fish says the bighorns in mountains near Yuma were in contact with escaped domestic sheep.

Impasse Over Who Loses Water, and How Much, Could Sink Arizona Drought Planning

A water dispute is playing out between Central Arizona cities, tribes and farms.

$4.5M to Support UA Center's Research on Climate Change

The Southwest Climate Adaptation Science Center is an initiative investigating climate change in the Southwest.

UA Joins Climate Change Coalition

The initiative aims to leverage the expertise of individual universities.

Court Changes Mind on Grand Canyon Mine Claim

Some say the 9th Circuit Court of Appeals decision may be too late.

Citizen-Science Project Looks to Test for Polluted Rainwater

The five-year program teaches residents how to measure what's in their harvested rainwater.

El Niño Could Bring Drought Relief to the Southwest

El Niño rainfall could relieve drought conditions in states like Arizona, but drought will persist elsewhere.

UA Tree-Ring Researchers Add to Climate Study

Tracked expansion of the tropics; linked it to Sonoran drought

UA, Microsoft Working to Make Data Centers Sustainable

The 'Cloud' uses as much power as 6,000,000 homes

CD3 Candidates See Separate Paths Forward on Immigration

One of 9 U.S. House districts that border Mexico, the topic looms large in Southwestern Arizona.

Colorado River Reservoirs Start Water Year At Lowest Point in 40 Years

The reservoirs haven't been at 47 percent capacity since they were filled.

Master Gardeners Celebrate 35 Years in Pima County

Volunteers have been "planting knowledge" since 1983.

Women Migrate Across More Than Borders

Also on Arizona Spotlight: Borderlands Theater explores"Sanctuary"; Pima County's Master Gardener program celebrates 35 years; and Tu Nidito presents an art show by youth coping with grief.

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