- Cal.gov Green Building
- Centers for Sustainable Energy (CCSE)A nonprofit organization dedicated to creating change for a clean energy future. Join us to learn about energy efficiency, renewable energy and clean transportation; take advantage of incentive programs and help promote sustainable policies and developing technologies.
- Energy Upgrade CaliforniaYour one-stop-shop for home improvement projects that lower your energy use, conserve water and natural resources, and make your home healthier and more comfortable.
- US Green Building CouncilA non-profit organization working to make green buildings available to everyone, and also the reviewer for LEED-certification.
- Ventura County Green Building Information