President Joe Biden officially announced the creation of a national monument south of Joshua Tree National Park today. The Chuckwalla National Monument in Southern California creates the largest corridor of protected lands in the continental United States,

President Joe Biden is signing a proclamation to establish two new national monuments in California, in part to honor two tribes.

President-elect Donald Trump has promised to reverse dozens of President Joe Biden’s environmental rules and policies. But some could be difficult to dismantle.