The climate has changed in the past, long before humans, so how do scientists know our recent warming is caused by man?

A rule known as the endangerment finding requires the E.P.A. to regulate greenhouse gases. It has proved resilient against ...

Researchers found that reduced low-cloud cover over land slightly mitigates global warming, although temperatures continue to ...

One of President Trump’s first executive orders withdraws the U.S. from the Paris climate agreement. These graphics show why ...

Utah atmospheric scientists reveal that a proposed "geoengineering" strategy to remove a potent greenhouse gas could worsen ...

It was expected. On his first day in office, President Donald Trump announced the United States’ withdrawal from the Paris ...

Within hours of his inauguration on January 20, 2025, Trump signed 26 executive orders, several of which directly altered United States ...

In his first day as the 47th U.S. president, Donald Trump took action to reverse many of the Biden administration's efforts ...

Newly inaugurated President Donald Trump plans executive action that could deepen climate change's impact on Arizona.

Policy experts say President Joe Biden can rightly claim to have meaningfully reduced carbon emissions and boosted clean energy. But will those policies last?

When Trump announced the U.S. withdrawal from the climate agreement in 2017, the move reverberated around the globe. Nearly ...