Go Green Expo Tesla Roadster in evidence, the Go Green Expo makes its L.A. debut this weekend, showcasing a broad spectrum of environmentally friendly and energy-efficient products, services and seminars. Keynote speakers include actor-activists Mariel Hemingway and Ed Begley Jr. Los Angeles Convention Center, 1201 S. Figueroa St. Sat., 10 a.m.-6 p.m.; Sun., 10 a.m.-5 p.m. $10 weekend pass, children free. www.gogreenexpo.com.
Andrew Harrer / Bloomberg News
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