Build It Green is the source for building green training and knowledge
Build it Green
The California Building Performance Contractors Association (CBPCA) is a non-profit organization that offers
building performance training, education and a contractor referral service.
USGBC is at the forefront of the green building movement.
USGBC national site
Habitat for Humanity's store sells used building materials that could save you some money and resources on your
Greywater Action is a group of folks who educate and empower people to build sustainable water culture and infrastructure.