The U.S. Army will take control of almost 110,000 acres of federal land along the U.S.-Mexico border to support Border Patrol operations.

Over the past few decades, the harvesting of the Cortez oyster in western Mexico’s Marismas Nacionales — or the Marshes ...

American Rivers ranks the Tijuana River No. 2 on its list of most endangered rivers. Advocates are urging the U.S. and Mexico ...