Just outside Dunsmuir, Mossbrae Falls cascades down mossy cliffs in ethereal curtains of mist, a natural wonder that should ...

Lee Zeldin recognized Mexico's willingness to cooperate with the U.S. to clean up sewage in the Tijuana River, but had some ...

In northeastern California, the Upper Pit River undulates through evergreen forests, wet meadows and rugged mountains. It’s ...

The Environmental Protection Agency (EPA) chief on Tuesday demanded that Mexico put an end to the unfettered flow of raw ...

Archaeologists in Mexico have discovered ancient Mayan pottery in a cave system a little more than 10 miles away from downtown Playa de Carmen.

The head of the Environmental Protection Agency says his agency will be providing Mexico a list to complete to stop the flow ...

The U.S. and Mexico have been tangled in dispute regarding a 1944 treaty that stipulates that Mexico City send 1.75 million acre-feet of water to the U.S. from the Rio Grande River every five years.

Mexico will facilitate an “immediate” delivery of water to farmers in Texas to help shore up resources amid President Trump’s tariff threats, Mexican President Claudia Sheinbaum announced on Friday.

In turn, Mexico must give the U.S. water from the Rio Grande. The river — which stretches from Colorado to the Texas coast — and forms the vast majority of the border dividing Texas and Mexico.

SAN DIEGO — Mexico has begun discharging millions of gallons of wastewater daily into the Tijuana River as part of a critical repair project. The discharge, which started Tuesday night ...

the U.S. International Boundary and Water Commission announced that Mexico had informed them it’s already started dumping roughly five million gallons of wastewater into the Tijuana River.