The University of Arizona is working to see underneath the Andes Mountains. Its research could help people in South America be more prepared for earthquakes and teach us something about the mountain ranges that surround the Western United States.

Reduced snowpack across the West could promote faster warming to our north which is what we want to happen to get our monsoon pattern together.

As the Colorado River Basin enters yet another year of drought, global companies are worsening the water crisis.

Cactus experts are tracking an unprecedented outbreak of “side blooms” on saguaros across Southern Arizona this year.

A University of Arizona economics professor said taxing carbon emissions would help solve the significant challenges that climate change poses to U.S. and world economies.

Due to the exceptional drought conditions that exist in Silver City — and most of Grant County — town councilors voted Tuesday night to ban the sale or use of display fireworks within town limits.

We have pipelines for oil and natural gas. Why not water?

Jonathan Bean in the College of Architecture, Planning and Landscape Architecture says buildings are the No. 1 pathway to achieving the Biden administration's new carbon emissions goals. He's training the next generation of architects to make climate-positive buildings the new normal.

A network of seismic stations poised to record images from deep underground will help scientists understand the mechanisms driving the formation of mountain ranges in unprecedented detail.  

Some climate activists advocate large-scale tree-planting campaigns in forests around the world to suck up heat-trapping carbon dioxide and help rein in climate change.

As the world warms due to climate change, two studies released this week show that heat exposure and related health issues are already having an inordinate impact on people of color and low-income communities.