Democratic leaders push new legislation to empower EPA as lead agency to tackle Tijuana River's sewage pollution and protect ...

Of the 2,099 people who responded, 97% said they were concerned about air quality around the Tijuana River and 96% about ...

A study by UC San Diego researchers reveals that pollutants found in the sewage-laden Tijuana River are ending up in the air near the U.S.-Mexico border in San Diego County.

On Tuesday, the Board of Supervisors voted 3-1 to explore what it would take to administer a plan that calls for further monitoring and mitigation of cross-border pollution from Mexico and ...