Melting snow from California's Sierra Nevada is filling reservoirs. But dry conditions have shrunk the flow of the Colorado ...

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air ...

Those heading up to Alaska for a late spring cruise this week got a heaping dose of weather reality as an atmospheric river ...

Sampling the air around Imperial Beach, California, reveals pollution from the Tijuana River in sea spray aerosols ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater ...

"California gets a lot of precipitation in ... It turns the jet stream into a closed-off low-pressure system. Where many atmospheric river events hit straight from East to West, the closed off ...

Policies put in place by President Trump are prompting concern among international tourists over spending top dollar on ...

This atmospheric river of moisture is not a new phenomenon ... Researchers from Harvard and universities in California and Texas are studying the long-term effects of the Eaton and Palisades ...

Big Bear Valley eaglet Sunny left the nest for the first time on Monday, marking a bittersweet milestone for the California bald eagle family and their thousands of fans.

To save the Southern Residents, we will need to put organized, consistent pressure on our elected representatives.