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UA Students for Sustainability will show their support at the United Nations Climate Conference in Paris with a banner covered with handprints from the UA community.

UA Delegation in Paris Hopes for Global Climate Accord

Students, faculty hear world leaders trying to reach consensus.

On Aug. 5 2015 the EPA was investigating contamination of this old Colorado mine when it unexpectedly triggered a release of 3 million gallons of toxic waste.

Arizona Abandoned Mine Cleanup Could Cost Billions

Group opposing state takeover of federal lands says cleanup costs would shift to states.

Grand Canyon

Proposals Would Regulate Grand Canyon Backcountry

Activities in canyon currently governed by 3-decade-old management plan.

The sun sets in the Arizona desert wilderness.

AZ WEEK: Arizona Desert Wilderness Act at Milestone

A look at what it means from the perspective of federal agencies, non profit organizations

Study: Arizona Not Preparing Enough for Climate Change

Existing policies based on current climate conditions, do not reflect climate change projections

Grand Canyon Bison Problem: Hunt Them or Relocate?

Park Service says herd of 600 overgrazing, draining precious water supplies.

UA Delegation to Attend United Nations Climate Conference

Faculty, students and community members to observe, network, conduct research.

Arizona Spotlight for November 20, 2015

StoryCorps arrives in Tucson; visit a peaceful Asian oasis in midtown Tucson; a community finds common ground in a neighborhood park; five experimental music artists use MOCA as a soundscape.

El NiƱo Rains Predicted to Reduce Drought Severity

Above-average winter precipitation expected; will help, but won't end drought.

Interior Secretary in Tucson to Promote Free Parks for Students

Sally Jewell spent Wednesday in Saguaro Park with Santa Rosa Ranch students.

Female bighorn sheep

29 More Desert Bighorn Sheep Released in Santa Catalinas

23 ewes, 6 rams join more than 3 dozen already living in Pusch Ridge area.

Study: Warming Permafrost Releases Ancient Carbon

Influx of carbon in the air could speed climate change

On Aug. 5 2015 the EPA was investigating contamination of this old Colorado mine when it unexpectedly triggered a release of 3 million gallons of toxic waste.

Bill Would Reform Mining Law, Make Companies Clean Up

Instead of taxpayers paying to clean up mine sites, burden would fall to companies

Sunset on Mt. Lemmon in the Coronado National Forest.

Mt. Lemmon Smartphone Driving Tour Developed at UA

Free audio app transforms winding road into 'journey of discovery.'

Rebecca Brukman. 11/5/12.
Image of truck with City of Tucson logo.

Tucson Collecting Household Hazardous Waste Saturday

Opportunity to conveniently ditch unused cleaners, paint and other chemicals.

Groups Meet to Discuss Four Corners and Clean Air

Government, industry, citizens' groups gather at Durango, Colo., this week.

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