First-week orders could undermine progress on clean energy investments, pollute the air and add few benefits to the economy, ...

The Trump administration is also ending federal requirements that push car makers to produce more low-emission models.Start ...

Northern Arizona is famous for its aspen trees, and a multi-decade study looks into how they’re being affected by climate ...

Most climate scientists are certain that global warming has played a critical role in the California wildfires, despite political posturing.

Rep. Lisa Fink said she understands geoengineering can be controversial and some people attach it to the “chemtrails” ...

The study highlights the urgent need to safeguard global tropical wetlands from human impact. Complex organisms, thousands of ...

While there might not be as many freshwater species, Northern Arizona University researchers say it would still hurt areas like the Colorado River.

Experts say Trump’s moves to step away from global climate action, ramp up domestic oil and gas production and remove ...

Climate scientist Ben Hamlington works on understanding the impacts of climate change. Losing his house in the Eaton Fire has ...

Kyle Paoletta's new book takes readers on a scenic road trip from the desert region's under-appreciated past to its uncertain ...