Pollution from the Tijuana River is ending up in the air near the border, study finds
- Posted on May 28, 2025
- By Los Angeles Times
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Pollution from the Tijuana River is ending up in the air near the border, study finds

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.