Climate was an easy, low-cost product to sell in Arizona's early years, before rising temperatures changed the landscape's ...

They showed up on the official seal before statehood, but not even Arizona's state historian can pinpoint the beginnings of ...

a political retreat from domestic efforts to slow climate change and support international research collaborations will lead ...

At the two hospitals where I work, my colleagues and I expect to see hundreds of patients admitted to the ER for heat-related ...

An Arizona lawmaker has proposed a bill that would give state and local police agencies a $2,500 “bounty” for each ...

As Arizona’s record-dry winter continues, Western water managers are quietly preparing for what many have called a “nuclear ...

Is climate change already affecting our economy, or is that just some future thing? If it is already affecting our national ...

Biosphere 2 is a groundbreaking research facility studying climate change and ecosystems inside an enclosed glass structure in the middle of the Sonoran Desert.

Players are at risk of heat exhaustion, characterized by symptoms including faintness, dizziness, fatigue, weak or rapid ...

Environmental Day at the Arizona Legislature, conservation advocates talked about the issues they wanted lawmakers to address.

The cuts are leading us down a path that will cede the United States' world leadership in science, medicine and health.