The cross-border San Diego South Bay-Tijuana region is home to state parks, a Marine Protected Area (MPA), a federally sponsored National Estuarine Research Reserve (NERR), Navy bases, the Port of San ...
IMPERIAL BEACH, Calif. (CN) — In the endless urban sprawl of Southern California, the Tijuana River Valley looks like a serene break of green before the sprawl resumes on the other side of the border.