More Environment U.S. Stories

What will Arizona do as its share of Colorado River water diminishes?

We hear about efforts to reassess state allocations and what may come of a billion-dollar fund established this summer.

Pima County Issues Ground-Level Ozone Advisory

Thursday marks the second consecutive day of an advisory.

Some fire restrictions ease ahead of the holiday weekend

Officials warn to always check restriction status before starting a fire.

Contreras Fire listed as 100% contained

Local management team will hand over control Saturday.

Preventing and fighting human-caused wildfire

Fires started by people have long been a part of our ecosystem, but they're increasingly damaging today.

Officials expect wet weather as Contreras Fire passes 20,000 acres

Fire continues to spread toward the northeast

Behind the Mask

Also on Arizona Spotlight: A plea on behalf of sacred lands threatened by border wall construction; and a sincere thank you to comic book legend Dennis J. O'Neil.

Author Sees Food Systems as a Way to Unite People

Tucson resident says communities across the country are joining forces for the common good.

4 More Weeks of Monsoon, Tucson Has Beaten Normal Rain Totals

Tucson has received more than six inches of rain since the monsoon began, and much of Southern Arizona has surpassed normal totals.

UA Tech Park to Mentor Companies in Solar Competition

Participants could win portion of $3 million. Will receive help from UA and other 'Connector' organizations.

Marana Developing Plan to Treat Two Contaminated Wells

Wells have tested positive for compounds not regulated by federal laws.

Saguaros in Oro Valley Park Shot With Arrows

The Oro Valley Police are looking for the cactus vandal.

Monsoon Moisture Leads to Drop in Fire Restrictions

Various agencies will lift the restrictions starting on Friday, thanks to seasonal precipitation.

Lightning-Sparked Blazes Mean Decisions for Fire Managers

Naturally occurring fires can be managed for some benefit, but often must be extinguished for safety concerns.

TEP Exploring Possibility of Biomass Electricity

The company issued a request for information from the biomass industry.

Fireworks for the 4th? A Few Tips Can Help Prevent Fires

Drought conditions continue as people prepare to celebrate Independence Day.

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