A state-backed Arizona finance authority is considering a plan to fund a wastewater-to-drinking water facility in the Tijuana ...

The sewage spill has led to a significant increase in hydrogen sulfide levels in neighborhoods adjacent to the Tijuana River ...

A judge ordered that two of the four suspects arrested in connection with the discovery of a sophisticated underground tunnel ...

A nearly 2,000ft-long tunnel built with reinforced walls, a rail system, ventilation and electricity ran from Tijuana, Mexico ...

California’s border entry to Mexico was partly locked down on Thursday as protesters created a human blockade. Southbound ...

Border 6 Fire initially started 1:54 p.m. June 1 in Tijuana River, Marron Valley in San Diego County, California. Since its discovery five days ago, it has burned 2,525 acres. As of Saturday afternoon ...

Evacuation warnings have been issued for parts of southern San Diego County as firefighters continue battling the Border 6 ...

Southbound vehicle access into Tijuana at the San Diego Port of Entry was temporarily closed Thursday by a group of ...

An air purifier company is asking a San Diego judge to void a $26.8 million county contract awarded to a competitor, arguing ...

An Arizona financing authority wants to invest in projects that help the state draw more water off the Colorado River.

The Border 6 Fire, which started in Tijuana, Mexico, spread across the border into San Diego County, growing to 2,617 acres.

Students are developing a chemical index that the public can use to better understand where the chemicals polluting the ...