June 10, 2011 12:24 am Is Solving Climate Change in the Soil? A one-of-a-kind research project is taking place in Marin County. If the scientists behind it are right, it could reveal a key ingredient in rolling back climate change. US & World Videos 2:18 Workers' Memorial Day: Bay Area community honors those who lost lives on the job 0:52 San Francisco celebrates 4 years of the JFK Promenade serving as a car-free space 0:43 Pleasanton community gathers to remember family of 4 killed in crash 0:52 5 hurt in San Jose crash involving Santa Clara County Sheriff's Office car 3:10 The never-ending election?