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Reclassifying Arizona waterways is among the items on the new administration's agenda
Wildfires have burned more than 950,000 acres across Arizona so far this year, according to the State Department of Forestry and Fire Management.
The failure to control the coronavirus pandemic has in many ways been a failure of real-time health data.
November has brought encouraging news about several COVID-19 vaccines. But members of the general public will probably not be vaccinated before the spring or summer of 2021 at the earliest. Americans will be living with this pandemic for some time to come.
Tucson, Arizona, is giving residents financial incentives to harvest their rainwater as the desert city works to become carbon neutral by 2030.
A grant from the National Science Foundation will help the University of Arizona train the next generation of interdisciplinary scientists who can "scale across genes to ecosystems" to understand how wild and agricultural systems function and respond to change.
Scientists are finding that some percentage of tropical forests may hold up under global warming—if they’re not cut down.
Visitors can once again roam the grounds of the UA’s Biosphere 2.
The University of Arizona could close Tumamoc Hill to hikers if more people don't start wearing masks.
Two competing forces – one from the United States and another from Mexico – are rethinking the region’s oldest and dirtiest problem, imagining it instead as a moneymaking opportunity.