The San Francisco Green Film Festival, which ran from 2011 to 2019, was a renowned environmental film festival founded by Rachel Caplan. This festival aimed to connect international environmental films and filmmakers with San Francisco Bay Area audiences while raising awareness about the climate crisis. Over its nine-year run, the festival grew significantly in scope and became the largest environmental film festival in the USA outside Washington D.

C. The festival showcased over 600 feature-length and short films and hosted over 800 guests, including notable figures like Margaret Atwood, Louie Psihoyos, and Madonna Thunderhawk. The festival also promoted climate action through partnerships with organizations like Sierra Club and Greenpeace.

Additionally, it was recognized internationally through its official partnership with the United Nations Environment Programme. The festival featured various awards like the Green Fire Award and the Green Tenacity Award, recognizing outstanding contributions to environmental filmmaking. Although the festival ceased operations in 2019, its impact continues to resonate within the environmental film community