On the Border, Neighbors Try to Reclaim Polluted Valley

By Enrique Gili, IPS News. Posted June 24, 2008.

A sinuous coil of murky water winds through the Tijuana River Valley. On each side of the U.S.-Mexican border, residents eye each other warily, caught in the cross-currents of political intrigue and economic polices that make the floodplain seem almost orderly by comparison.

Wedged between the ocean, the border and the southern fringes of suburban San Diego, California, the valley is contested territory. Horse ranchers and bird fanciers make their home here, but the valley also serves as a flashpoint for migrants desperately seeking entry into the United States. A patchwork of state, local and federal agencies with competing interests makes collaboration difficult. Enforcement, conservation, and recreation all vie for top priority.

However, there's one aspect of border life everyone can agree upon. The region is inundated with trash, the waste of two large cities, illegal dumping and maquiladoras, and is the victim of neglect. Much of the 2,700-square-kilometer watershed is located in Mexico but the terminus is an estuary and Imperial Beach, San Diego, the last and southernmost beach town in California.

At the urging of Benjamin McCue, program manager for WildCoast, a bi-national wildlife conservation and water quality advocacy group focused on Baja, California, 200 volunteers armed with plastics bags, rakes and shovels recently attempted the seemingly impossible -- to clean-up a tiny sliver of the valley set aside as a nature preserve, known as the Tijuana River Open Space Reserve.

"Cross-border pollution is the number one border threat," said McCue. "The threat is not what comes over the fence, it's what comes under it. Pollution affects the health of everyone."

Pollution doesn't respect the border. Each time it rains, a portion of Tijuana's waste flows through the estuary and into the Pacific Ocean, shutting down local beaches for days at a time and affecting the quality of life for residents. Local residents are seeking common ground to combat the problem.

"To comprehensively deal with the Tijuana River, we need to involve everyone impacted from ranchers to surfers to border patrol agents," said Paloma Aguirre, president of the Tijuana River Citizens Council.

Postcard pretty wetlands hide hidden trash. Beneath beds of wildflowers and lush vegetation, the preserve is a catchall for all manner of debris, tires, bottles, and plastic. By mid-morning, volunteers have accumulated enough garbage to fill a shipping container to haul to the municipal dump.

Even as clean-up efforts get underway, certain border realities are difficult to ignore or downplay. Border patrol agents are actively pursuing migrants hiding in the vegetation, leading more than one volunteer to quip it's doubtful "illegals" are slipping across the border to pick up trash.

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