Artificial Reef Being Built To Defend Against Los Angeles Nuclear Plant's Pollution

Artificial Reef Being Built To Defend Against Los Angeles Nuclear Plant's Pollution

Rocks bigger than basketballs were pushed into the ocean off San Clemente this week to provide the foundation for a 150-acre reef for giant kelp -- a project scientists say is one of the largest and most advanced in the world.

The artificial reef, to be made from roughly 125,000 tons of volcanic rock, is designed to anchor a swaying kelp forest, attract an array of marine creatures and help counteract the environmental destruction wrought by a nearby nuclear power plant.

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