Environmentalists hope to turn the tide against use of sea walls
Monday, January 2, 2012 - 02:00
in Earth & Climate
The longtime practice of dumping huge rocks and chunks of concrete along the coastline to stop erosion is coming under fire from those who favor letting the shoreline retreat naturally. San Francisco's efforts to protect Ocean Beach is the latest battleground.For years, San Francisco's Ocean Beach has been under assault by such powerful surf that a fierce winter storm can scour away 25 feet of bluff in just days.