EcoPlates
- Vehicle license plates with images of whale tails or coastline. For each plate ordered, the DMV donates money to California Coastal Commission or the California Tahoe Conservancy, and to the California State Environmental License Plate Fund.
- http://www.ecoplates.com/

The Angle Decree
- A 1930 United States District Court Decree apportioning the water rights of Stony Creek, California.
- http://www.mjbarkl.com/decree.htm

Cannonball Express
- Promotes prescribed burning in forests and wildlands, based on a video targeted at the San Francisco Bay area.
- http://www.canonbal.org/

Campaign for Old Growth
- Works for laws to preserve old growth trees and stands in the State of California.
- http://www.ancienttrees.org

California Environmental Dialogue
- Business, corporate, environmental, and government leaders collaboratiing for environmental protection, while reducing costs to business, government, and society. Background, publications and list of members.
- http://www.cedlink.org/

Sierra Club: California
- Environmental organization provides opportunities for local involvement, activism, and outings. Links to local chapter sites, and information and resources on related issues.
- http://www.sierraclub.org/ca/

California League of Conservation Voters
- CLCV supports environmental candidates and issues, and is best known for its environmental scorecard, in which it rates legislators on the basis of votes for or against particular environmental bills and issues.
- http://www.ecovote.org/

California Non-profits Working For Sustainability
- Description and contact information for seven agencies. Four hyper-links.
- http://www.scced.org/sust_orgs/calorg.html