Like to try on or test drive eco-products before plunking down your hard earned cash? Stop by Go Green Expo, which brings together the latest sustainable and eco-friendly products and services in one spot.

There, you can try everything from eco-friendly beauty products to green fashions, catch up on the latest trends in green business or personal finance, or learn about the latest in energy efficiency or eco-travel.

After its inaugural event in New York City last April, Go Green Expo’s expanded to four cities this year, with the first 2009 event happening in Los Angeles. In addition to more than 200 exhibits and booths, the L.A. Expo will feature speakers (including actor and environmentalist Ed Begley, Jr. and Mariel Hemingway), seminars on green topics, and a screening of Fuel followed by a panel discussion with the film’s director, Josh Tickell.

When: Business-to-Business Expo on Fri., Jan. 23, 10 am - 5 pm; Go Green Expo Main Show on Sat., Jan. 24, 10 am - 6 pm and Sun., Jan. 25, 10 am - 5 pm.

Where: The Los Angeles Convention Center, 1201 S. Figueroa St., Los Angeles

Cost: Friday: Free for business-to-business buyers. Sat. and Sun: $10 for a weekend pass; free for children under 12 and senior citizens 65+.

If you won’t be in L.A. for this Expo, don’t despair. Go Green Expo will happen three more times this year in Philadelphia (March 13 - March 15), New York City (April, 17 - April 19), and Atlanta (June 26 - June 28).

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