PHOENIX— A developer notified federal regulators today that it has abandoned plans for a 200-foot-tall dam along a remote, biodiverse stretch of the San Francisco River at the Arizona-New Mexico ...

McALLEN, Texas (Border Report) — The United States and Mexico have agreed to share costs to repair dozens of sinkholes and leaks in Amistad International Dam, which straddles the U.S.-Mexico bor ...