SpaceShare Green Travel -- carpool, community building
SpaceShare Green Travel builds ride- and room-share tools for festivals and conferences. Our sister effort Verdant Event builds complete websites for conferences with greening tools integrated.
Vibrant Events of San Francisco is an event planning service specializing in green weddings.
The Forest Foundation specializes in green event planning, and charge based on ability to pay. They promote sustainable living practices and aim to help you adopt them.