For the first time in more than 80 years, the U.S. has denied Mexico's request for water from the Colorado River, escalating ...

President Trump has threatened to slap new tariffs on Mexico for failing to deliver water under a decades-old treaty. But ...

Mexico will dump 400 million gallons of sewage into the Tijuana River, which could spill into the united States, a San Diego ...

The administration has increased surveillance flights over Mexico as it tries to track the powerful cartels that dominate the ...