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070 - Saving the Tijuana Estuary Length: 3:27 Keywords: estuary watershed tijuana Location: Description: The estuary stands as the last barrier between the Pacific Ocean and pollution. Its mix of plants and silt acts as a filter that purifies inland rain and flood waters before they reach the ocean. The beaches of Imperial Beach are closed about 180 days every year. Without the estuary, they would be closed year round. (used courtesy of UC San DIego)
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