Organization: Yerba Buena GardensLocation: 750 Howard Street San Francisco, CA, 94103United StatesSee map: Google MapsPhone:415.820.3550 Earth Day Festival - Yerba Buena GardensDates: 04/19/2025Time: 10am - 3pm PDT Randall Museum Location: Weekes Park21782 Patrick Ave.Hayward, CA, 94544United StatesSee map: Google MapsPhone:510-583-4000 The Annual Earth Day Citywide Clean-Up & Community Fair - City of Hayward, CaliforniaDates: 04/26/2025Time: 8:30am - 1pm PDT Earth Day Events in the San Francisco Area