The declarations bar oil and natural gas drilling, as well as mining and other exploration and production initiatives, on the 624,000-acre Chuckwalla site, and 225,000-acre Sáttítla site.

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

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,

Chuckwalla National Monument is a cornerstone in a vast network of protected landscapes across the Southwest. Stretching from Joshua Tree to the Grand Canyon to Bears Ears, this corridor forms the largest swath of protected lands in the continental U.

Proclamations set to be signed Tuesday will create the Chuckwalla National Monument in Southern California near Joshua Tree National Park and the Sáttítla National Monument in Northern California.

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

Biden has federally protected 1,053,125 square miles of land and ocean in his term — an area nearly four times the size of Texas.

U.S. President Joe Biden designated two California sites -- a swathe of desert significant to native tribes and a dormant volcano -- as national monuments on Tuesday, advancing his record of conserving more U.

President Joe Biden has announced the creation of two California national monuments that will honor Native American tribes while shielding picturesque mountains and deserts from mining and energy deve

Watch live coverage as President Joe Biden delivers remarks celebrating the administration’s conservation legacy and signs proclamations to establish the Chuckwalla National Monument and the Sáttítla Highlands National Monument in California.