Health Officials Ready for Earlier Ozone Season
High levels of ground-level ozone, a summertime pollutant, are detected earlier.
As Valley Fever Cases Grow, Research Aims to Improve Diagnoses, Treatment
A UA study center looks at effects of delayed diagnoses, hopes to pioneer rapid test.
UA Researcher Develops Snake Bite Treatment
Novel combination of carbon monoxide and iron delays venom's damaging effects.
Pima County to Get Regular Air-Quality Forecasts
State environmental department to provide a 5-day outlook for the county.
Ozone Warning Issued as Temperatures Set to Exceed 110 Degrees
The weather system that is bringing the heat also prevents pollutants from leaving the air.
Heat and Ozone Levels Forecast to Rise in Tucson
Air pollutant could be at elevated levels through Friday; hot temperatures will last through the weekend.
Episode 141: Local Governments Say No to Trump's Wall
Metro Week: 2 fire districts propose consolidation; new Catholic bishop coming to Tucson.
Students Show off Science Skills at Annual Fair
More than 2,000 exhibits and activities for kids and adults at the Southern Arizona event.
Spring Weather Draws Hikers, Then Rescue Teams
Many hit the trail unprepared for the reality of hours in the sun.
Acclaimed World Music Artist Katia Cardenal Visits Tucson
Also on Arizona Spotlight: Finding new purpose after breast cancer strikes twice; and "Feeding Our Future" asks if the Community Food Bank of Southern Arizona can solve the root causes of hunger.
Feeding Our Future: Putting Native Foods Back on the Plate
Why did the Tohono O'odham stop eating and growing their Native foods?
Could Amish Farm Dust Provide Relief from Asthma?
Tucson researchers are seeking clues from rural Indiana communities.
Feeling Ill? 104-Degree High, Ongoing Heat May Be Reason
Pima County health officials warn of dangers of extreme temperatures with summer upon us.
Survey Finds Air Quality Important to Community
Pima County's campaign has received positive response from people, survey found.
Ajo: From 'Food Desert' to 'Food Oasis' through Gardening
Healthy lifestyles, local sourcing goals of regional partnership for former mining community.
