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

Northern Arizona is famous for its aspen trees, and a multi-decade study looks into how they’re being affected by climate change. Among the findings: There are a good number of smaller, younger aspens and a good number of older ones,

The Trump administration is also ending federal requirements that push car makers to produce more low-emission models.Start the day smarter. Get all the news you need in your inbox each morning.

The Old Farmer's Almanac, which has been in business since 1792, recently released its spring weather forecast. The outlook? "Warmer-than-normal temperatures for most of the country, with a few exceptions: southern and central California, Desert Southwest, southern Florida, and western Ohio Valley, where it will be near to below normal."

Artist Charles Gaines doesn't want to tell you what to think; he wants his work to inspire viewers to think for themselves.

Chief of the global services firm since 2022 highlights the need for innovation in the water sector as a way to increase affordability.

The Republican-controlled Senate has confirmed Lee Zeldin as administrator of the Environmental Protection Agency.

The Republican-controlled Senate on Wednesday confirmed Lee Zeldin to lead the Environmental Protection Agency.

Former New York Republican Rep. Lee Zeldin was confirmed by the Senate Wednesday as President Trump’s Environmental Protection Agency administrator — earning bipartisan support.

It’s been warmer in Alaska than in three dozen other states. If someone asked you, “Where can I go in the United States to escape the frigid air this January?” what would you say?

The study highlights the urgent need to safeguard global tropical wetlands from human impact. Complex organisms, thousands of times smaller than a grain of sand, play a critical role in shaping massive ecosystems and influencing Earth's climate,

House committee passes bill that would outlaw cloud seeding and climate intervention research after supporters cite debunked conspiracy theories