Add Yahoo as a preferred source to see more of our stories on Google. Paula Stigler Granados and Angel Granados, both San Diego State professors, wear respirators while standing near the Tijuana River ...

The 120-mile Tijuana River flows from Baja California into the United States and discharges millions of gallons of wastewater — including sewage, industrial waste and runoff — into the Pacific Ocean ...

This story was originally published by CalMatters. Sign up for their newsletters. As Tijuana River sewage has contaminated neighborhoods in southern San Diego County, the federal government has ...

PCL Construction has a $42.4M progressive design-build contract to expand the South Bay International Wastewater Treatment Plant in San Diego after three years of cross-border sewage flows from Mexico ...

The Calcasieu River is a vital artery for southwestern Louisiana’s economy and habitat for wildlife, but is listed among the nation’s most at-risk rivers according to national environmental nonprofit ...

Recent research has forged a new reason to take B vitamin supplements — protection from the deleterious cardiovascular effects of air pollution. But the data are far from conclusive and much more work ...

Researchers have found that pollutants in the Tijuana River, which carries raw sewage and industrial waste from Tijuana, are also turning up in the air along the coast near the U.S.-Mexico border.