Tijuana sewage isn't only in Imperial Beach waves. It's in the air. And San Diegans are breathing it - The San Diego Union-Tribune | Agents of Behemoth | Scoop.it
From www.rawstory.com - March 2, 3:08 PM

SAN DIEGO — Sewage pollution spilling over the border from Tijuana into the San Diego region not only threatens the health of surfers and swimmers but potentially those simply breathing the air. That's according to a study from UC San Diego's Scripps Institution of Oceanography...