More Environment Stories

Raw Sewage From Sonora Reaches Nogales, Arizona

Overflow from a sewage treatment plant flowed across the border into the Nogales Wash.

Deadline Nears for Colorado River Drought Plan

Arizona's plan has yet to be approved the the state Legislature, while other six states have already agreed to plans.

Wading Into Colorado River Negotiations

Time is almost up for Arizona to approve a drought contingency plan.

Volunteers Say Shutdown is Curtailing Vital Work at Wildlife Refuge

Work is being left undone at the Buenos Aires National Wildlife Refuge as volunteers can't access facilities or use tools.

Sierra Vista to Run Controlled Burns Next Week

City hopes to head off mosquito growth near wastewater facility.

Drought Hangover Likely to Deplete Spring Runoff, Report Says

Despite "OK" snowpack, the hot and dry conditions of 2018 put the Southwest in a drought hangover.

Climate Change Endangering Arizona's Natural Resources, Prof Says

Stuart Marsh wants policymakers to understand links between natural resources and the environment

Conference Brings Discussion of Mining Industry's Future in Arizona

The governor's moratorium on regulations could bring more mining development to the state.

Author Sees Food Systems as a Way to Unite People

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

Chinese Smuggling Bust Could Help Endangered Porpoise in Mexico

The illegal hunting of the totoaba fish swim bladders is considered the leading threat to the vaquita marina.

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.

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