Impactswww.flickr.com Want to help California’s kelp forests? Eat sea urchins Purple sea urchins have eaten 95 percent of the underwater forests along California’s Mendocino Coast. Here's how you can help.
Causesen.wikipedia.org David Helvarg: Climate change threatens California's vital kelp forests These kelp forests sequester more carbon dioxide than the state’s redwood groves.
