Once again its time for the annual Green Festival! The SF Green Festival takes place on Nov 13-15th at the Concourse Exhibition Center and will have 125 renowned authors, leaders and educators, 350 eco-friendly businesses, workshops, films, kids activities, and more!

The event is a non profit joint project of Global Exchange and Green America and is run by volunteers. If you don’t want to pay, you should volunteer and help out so that you can check it out for free and get a T-shirt!