Surfrider Foundation Earth Day Block Party: As part of Earth Day this Sunday, Trumer Pils and the Surfrider Foundation are encouraging folks to come help remove trash from Ocean Beach. In exchange for their efforts, volunteers can celebrate at an Earth Day block party, with drinks provided by Trumer and Green Bar, food trucks, live music by the Mermen, and a raffle for prizes like a Trumer surfboard custom-made by Stretch Boards. Trumer's Facebook event page has more info. (Sunday, April 22: Cleanup, 10 am-12 pm at Ocean Beach, Stairwell 17, Fulton St. and Great Highway; Party, 12-6 pm at the Riptide, 3639 Taraval St., Outer Sunset.)