News

A new $27 million layer of technology at the city's 32-year-old southside water treatment plant will bring more efficient and effective cleanup of PFAS compounds known as "forever chemicals" from that area's long-polluted aquifer, Tucson Water officials said.

The Pima County Health Department has released a public health review on data centers.

The Pima County Department of Environmental Quality (PDEQ), in collaboration with faculty from the Zuckerman College of Public Health at the University of Arizona, recently launched a network to monitor air quality at several schools in the county.

Fire and medical officials have issued warnings about a supplement offered to Western wildland firefighters who have been exposed to toxic chemicals while battling some of the country's biggest blazes.

A common antibiotic designed to help kids with breathing problems isn’t performing as expected. University of Arizona pediatrics professor Fernando Martinez discusses why certain medications are not effective for treating asthma, and could lead to increased hospital stays instead.

Hundreds of bases are contaminated with PFAS, which are linked to low birth weight and other risks. Politicians from both parties are demanding explanations for why cleanup efforts have stalled.

The rise of fracking has allowed the United States to become the largest natural gas producer in the world. However, the result of this fracking is a high amount of toxic, radioactive wastewater that must inevitably find a place to be disposed of.

For years this wastewater has arrived in Ohio to be pumped deep beneath the ground, where it's meant to safely stay forever. However, it's begun to leak to the surface and risks contaminating not only other oil and gas wells, but major sources of drinking water in the surrounding area as well.

Hundreds of military bases have been putting off cleanup of toxic PFAS, or perfluoroalkyl and polyfluoroalkyl substances, for years, according to a new USA TODAY analysis of military records. The latest round of delays, which the Pentagon posted in an obscure corner of its website in May, has pushed some deadlines out decades, or removed them altogether.

Extreme heat is a familiar part of living in Southern Arizona. Many know it comes with an increased risk of heat-related illness, but a new effort is helping raise awareness of an often-overlooked contributor – medications.

The Arizona Department of Environmental Quality has agreed to revise groundwater arsenic limits for a monitoring well at the Pinyon Plain uranium mine south of the Grand Canyon, concluding that higher arsenic levels in the well were naturally occurring.