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

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

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

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 ...

The Republican-controlled Senate on Wednesday confirmed Lee Zeldin to lead the Environmental Protection Agency, a key role to help President Donald Trump fulfill his pledge to roll back ...