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

Trump has pledged to overturn Biden’s progress on climate change. What will that mean? - The U.S. saw some of its costliest ...

The agreement was meant to ensure global cooperation in reducing the amount of carbon dioxide released into the atmosphere.

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