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.

In an announcement postponed by the Los Angeles wildfires, President Joe Biden on Tuesday designated two sites in California as national monuments that will honor Native American tribes while shielding picturesque mountains and deserts from mining and energy development.

President Joe Biden on Tuesday established two massive new national monuments in California and highlighted his environmental initiatives as some of the defining achievements of a presidency that will end in less than a week.

The designations, postponed for a week due to the California wildfires, protect 800,000 acres in the Chuckwalla National Monument and the Sattitla National Monument.

Biden signed proclamations designating a monument in Southern California's and another in far northern California.

President Joe Biden on Tuesday will establish a set of new two national monuments in fire-plagued California days before he's set to exit the White House, according to U.S. officials.