News

New research finds rainwater harvesting could be solution to Tucson food deserts

Data shows nearly 94,000 Tucson residents live in a food desert; those are low-income neighborhoods where the closest grocery store is at least a mile away.

How Wastewater Testing Serves as An Early Warning System For COVID-19 Infection Spikes

Yuma County is among the worst-hit communities by the COVID-19 pandemic.  

Tribal Coal Fields Will Test Biden’s Environmental Justice Goals

A massive coal plant, demolished in December, was a linchpin of the Navajo and Hopi economies for nearly 50 years.

Enough habitat exists to support return of Mexican wolves in Southwest, study says

A U.S.-Mexico partnership could aid the long-term recovery of the endangered Mexican wolf, a subspecies of the North American gray wolf, and its eventual removal from the U.S. endangered species list, according to a new study.

The fight for an equitable energy economy for the Navajo Nation

On a chilly December morning in northern Arizona, near the town of Page, Nicole Horseherder stood beside a barbed-wire fence, waiting for the smokestacks of the Navajo Generating Station to fall. The coal-fired power plant, just a mile away, towered against the backdrop of the Glen Canyon National Recreation Area and a cloudless blue sky.

UA mining-tech startup picked for international challenge to re-use mine tailings

Seas will likely rise even faster than worst-case scenarios predicted by climate models

It looks like the climate models are too conservative.

Tucson, Arizona, opens new compost facility

The city has also partnered with the University of Arizona to offer a commercial pickup program.

U.S. Cities Are Underestimating Their Greenhouse Gas Emissions

The errors could make it more difficult for cities to meet goals for reducing their planet-warming footprint

Tree rings and Iceland's Laki volcano eruption: A closer look at climate

When the Laki volcano erupted in 1783, its effects rippled around the world