May 10, 2012 6:42 pm Weekend Calendar: Earth Day Celebration at Coyote Point Clean up and enjoy science at San Mateo’s Coyote Point in honor of Earth Day. US & World Videos 4:52 Watch: Oakland Ballers co-founder discusses team, new ballpark 2:23 Forecast: Warm and windy day 0:32 Crime numbers down in Oakland, police data shows 5:44 May Day demonstrations, Gaza war protests continue across Bay Area 0:39 Sea lion population boom at San Francisco's Pier 39