SAN DIEGO (AP) — The United States and Mexico have signed an agreement outlining specific steps and a new timetable to clean ...

The governments of Mexico and the United States signed a memorandum of understanding on Thursday to fund and expedite several ...

The United States and Mexico signed an agreement Thursday to end the flow of raw sewage into the Tijuana River, which crosses the border into California and for years has contaminated and closed ...

U.S. Environmental Protection Agency Administrator Lee Zeldin and his counterpart in Mexico, Alicia Bárcena Ibarra, have ...