More Environment Stories

Chiricahua National Monument Closes to Visitors

Officials cite "health and safety concerns" on day 12 of shutdown.

The City Will Recycle Your Christmas Tree, Which Can Become a Fire Risk

The TreeCyle Program will mulch trees, which eventually become a hazard even when watered.

Photos: Storm Drops Snow on Southern Arizona

Forecasters issued a winter storm warning for the region until 5 p.m.

Charting a New Course for Water Supply in the Southwest

Water managers in Colorado River Basin states spent much of 2018 working on drought contingency plans.

Trump Proposal Could Strip Arizona Waterways of Pollution Protections

Proposed changes to the Clean Water Act could impact 96 percent of the state's waterways, official says.

Study: Slow Growth Ahead for the Forests of the Southwest

The UA report shows a decline in productivity in the 21st century as the climate warms.

Tucson Youth Put National Parks in Focus

Also on Arizona Spotlight: Visit the Center for Compassion Studies; NASA pioneer Dee O'Hara interview; Adiba Nelson talks "From Period to Postpartum"; holiday traditions old and new.

Fear And Grieving in Las Vegas: Colorado River Managers Struggle With Water Scarcity

Water managers were supposed to finish drought contingency plans by the end of the year. They're likely to miss that deadline.

Researcher: Climate Change Could Worsen Mosquito-Borne Diseases

UA professor says globalization and increasing transportation also speed the spread of such diseases.

Four Years After Water Released Into Colorado River, Benefits Continue

Environmental groups now have a "toolkit" for bringing life back to the delta.

Development and the San Pedro

The Arizona Supreme Court sided with a homebuilder in Sierra Vista despite concerns about the San Pedro River.

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.

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