Where: Civic Center Plaza, San Francisco
View Larger Map When: Saturday, April 23, 10 a.m. to 6 p.m. What: A robust, daylong event aimed at educating and inspiring San Franciscans to focus on environmental issues and promote solution-oriented community action. Musical performers, speakers and activists will grace the stage, while workshops and community discussions will focus on a wide green scope. More info: earthdaysf.com