Some development has resulted in artificially broad beaches, according to Brett Sanders, professor of civil and environmental engineering, urban planning and public policy at UC Irvine. “The construction of Dana Point Harbor in the 1960s and the San Onofre Nuclear Generating Station in the 1960s and ’70s contributed to beach widening from Doheny through San Onofre beaches — where beach sand is now vanishing,” he wrote in the Los Angeles Times. Read More