US States to Meet at Deadline on Colorado River Drought Plan
Arizona has been the holdout as the clock ticks on striking a deal for a contingency plan.
County Commits to Carbon Reduction Strategy
Pima County's updated sustainability plan renews its commitment to reducing carbon emissions.
Study: US Groundwater Supply Falls Short of Estimations
Understanding the findings with UA hydrologist and researcher Jennifer McIntosh.
Making "Cloud Soup"
Also on Arizona Spotlight: How changing your address may impact your voting status; What is AVATAR, and how might it change the science of telling truth from fiction?; and Pima County Gardeners mark 35 years of helping Arizona grow.
County, City, UA Sign On to Urban Sustainability District
The goals of the Tucson Emerging 2030 District mirror those of the Paris Agreement.
Arizona Town Condemns Coyote-Killing Contest
Dewey-Humboldt joins other governments by condemning the practice.
Pima County: Mining Company Broke Law With Blowing Dust
County officials say this is the most serious case of blowing dust in the area of any of five such Freeport violations since 2013.
Pothole, Graffiti Repair to Be Part of 'Brush and Bulky' Pickup
City expands twice-yearly service to neighborhoods.
Early Season Snow Delights Skiers, but the Drought is Far From Over
Experts say the bigger picture is more complicated, and is compounded by the effects of climate change.
Live Camera Capturing Sandhill Cranes in Arizona for the Winter
14,000 birds are roosting at the Whitewater Wildlife Area, and more are expected to arrive.
Climate Change Could Drive Vegetation Changes
Tucson-based scientist charting similar changes from Ice Age.
More Bighorn Sheep Restored to Historical Ranges
Arizona Game and Fish continues to re-establish the species.
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.
