President Biden's designation protects more than 224,000 acres of volcanic forest habitat, including a dormant volcano and a massive underground aquifer system.

President Joe Biden on Tuesday established two new national monuments in California, the latest in a flurry of major environmental initiatives affecting the Golden State as his presidency comes to a close.

President Joe Biden is establishing two new national monuments in California that will honor Native American tribes, the White House confirmed Tuesday, as Biden seeks to conserve at least 30% of U.S.