The organic and sustainable food movements have caught hold on the Central Coast [1]. The Monterey Bay Seafood Watch program (www.montereybayaquarium.org [2]) is the definitive resource for sustainable seafood, while the Salinas Valley inland hosts a number of organic farms.
Links:
[1] http://www.moon.com/destinations/california/central-coast
[2] http://www.montereybayaquarium.org