Lithium drilling project temporarily blocked on sacred tribal lands in Arizona
The case is among the latest legal fights to pit Native American tribes and environmentalists against President Joe Biden’s administration.
Arizona Corporation Commission urges congress to exempt utilities from EPA hazardous waste costs
ACC pushes for federal legislation to avoid higher utility rates and cleanup expenses following EPA hazardous substance regulations.
Hedge fund buys $100 million of land in La Paz County
Land is in an area that has little regulation on groundwater pumping, and could be sent elsewhere in the state.
The Buzz: New ways to recycle plastic in Arizona
Companies find new ways to help residents give plastic another life.
Giant old saguaros can be resilient. It's baby saguaros researchers are worried about
Human-caused climate change is robbing the Sonoran Desert of the conditions needed to help baby saguaro take root and thrive.
As Colorado River states await water cuts, they struggle to find agreement on longer-term plans
Years of overuse combined with rising temperatures and drought have meant less water flows in the Colorado today than in decades past.
Two rivers, one lifeline: Reclaiming the Santa Cruz across borders
US-Mexico collaboration has improved the once polluted and depleted Santa Cruz River. Challenges like flooding and wastewater management persist, requiring new infrastructure and funding. Despite progress, managing water across borders remains ongoing.
Atascosa Mountains ocelot sighting, first in 50 years
Trail cameras caught footage of an endangered ocelot five miles north of the U.S.-Mexico border, in a region where ocelots haven’t been seen in 50 years.
Satellites help researchers measure climate effects in Antarctica
Scientists are using data from orbit to keep track of snowfall and ice melt in the region.
Pima County heat program converts old Tucson jail facility into latest cooling center
Tucsonans now have access to a new cooling center at the Mission Annex facility — a former minimum-security jail — on the city’s west side.
The Buzz: How the largest Indian water rights settlement in U.S. history aims to rectify historic wrongs
From nation building to water infrastructure, The Buzz explores the path towards water equity and one tribe's dream for true sovereignty.
Tucson Superfund Site cleanup stalled by U.S. Air Force
EPA urges action on PFAS contamination as Air Force faces penalties for delayed cleanup plan.
Toxic Waters: EPA and military clash over Tucson’s groundwater cleanup
Families affected by cancer and premature deaths blame a history of polluted water in southern Tucson. The water utility is trying to clean up the problem.
Committee urges U.S. and Mexico to protect UNESCO World Heritage site from border wall damage
The UNESCO World Heritage Committee is calling on the U.S. and Mexico to work together to assess and mitigate impacts of the border wall on wildlife of the Sonoran desert, especially the endangered Sonoran pronghorn.
Changes to Tucson’s hard to recycle plastic program in effect
Plastic items must now be placed in Hefty Renew orange bags.
