California Conservation Corps (CCC)
California Association of Local Conservation Corps (CALCC)
Orange County Conservation Corps (OCCC)
California Democratic Party Environmental Caucus
California Envirothon
California Invasive Plant Council (Cal-IPC)
California League of Conservation Voters (CLCV)
California Society for Ecological Restoration (SERCAL)
California Wild Heritage Campaign (CWHC)
California Environmental Rights Alliance (CERA)
Californians for Alternatives to Toxics
Californians for Pesticide Reform
Coalition on the Environment and Jewish Life of Southern California
CREEC Network (California Regional Environmental Education Community)
Earth Connections, Anaheim
Earth Share of California
Environment California
Go Green Tustin
G.R.E.E.N. Foundation, The, Brea
Keep California Beautiful (KCB)
Orange County Interfaith Coalition for the Environment (OCICE), Tustin
and Interfaith Coalition for the Environment, Fullerton
San Clemente Green
Southern California Council on Environment and Development (SCCED)
The Conservation Fund, Laguna Beach
Zero Trash Laguna, Laguna Beach
Air Quality/Smog
Government Agencies
Smog Check II, MTBE and Underground Storage Tanks In California
West Coast Section of the Air & Waste Management Association (A&WMA)
Beaches/Oceans/Coastline/Coastal Areas
Beach Information
Diving Organizations
Surfing Organizations
Wetlands Conservation
California Ocean and Coastal Environmental Access Network (Cal OCEAN)
California Coastal Coalition
California Coastal Conservancy
California Coastkeeper Alliance
Crystal Cove Alliance (CCA), Laguna Beach
Crystal Cove Interpretive Association (CCIA), Laguna Beach
Defend the Bay, Newport Beach
Laguna Ocean Foundation, Laguna Beach
Newport Bay Naturalists and Friends, Newport Beach
Orange-County.net
Orange County CoastKeeper, Newport Beach
Orange County Marine Protected Areas, Corona del Mar
Save Our Shorecliffs, San Clemente
SaveOurBeach.org, Seal Beach
Stop the Waiver
Surfrider Foundation USA, San Clemente
Surfrider Huntington Beach & Seal Beach Chapter
Surfrider Foundation, Newport Beach Chapter
South Orange County Surfrider Foundation, San Clemente
Wyland Foundation, Laguna Hills
Anti-Noise
Anti-Airport
Recycling
Californians Against Waste (CAW)
Resources
California Association of Resource Conservation Districts (CARCD)
California Resource Recovery Association (CRRA)
Earth Resource Foundation, Costa Mesa
Sierra Club
Camping
Hiking
Outdoor Activities
Sierra Club California Chapters
Sierra Club Orange County Group, Costa Mesa
Sierra Sage, Laguna Beach
Trees/Urban/Community Forests/Planting
Botany
Forest Conservation/Management
Forestry Agencies
Horticulture
California Community Forests Foundation (CCFF)
California ReLeaf, Costa Mesa
California Urban Forests Council (CaUFC)
Huntington Beach Tree Society
Shadetree Partnership, Irvine
Trees for Seal Beach
Water/Rivers/Lakes
Floods
Government Agencies
Groundwater
Utilities
Water Agencies
Watershed Management
Wetlands Conservation
Blue Planet Foundation, Fountain Valley
California Rivers Assessment (CARA)
California Rural Water Association (CRWA)
California Urban Water Conservation Council (CUWCC)
California Water Awareness Campaign
Clean Water Newport, Newport Beach
Groundwater Resources Association of California (GRA)
Project Surf, San Clemente
Santiago Creek Watershed Preservation & Restoration Project, Orange
Southern California Coastal Water Research Project (SCCWRP)
WateReuse Association California Section
Directories
California Environmental Resources Evaluation System (CERES) - government provided environmental information
Environmental Organization Web Directory
RefugeNET Friends Groups: California
SoCal Nature Blog
Southern California Non-profit Organizations Working for Sustainability