ASSOCIATED PRESS/2009 
 An Indonesian family sits near candles as lights are turned off during a candlelight vigil marking Earth Hour in 2009. Harrah's Gulf Coast and Beau Rivage Resort & Casino in Biloxi will join the observance Saturday by dimming lights from 8:30-9:30 p.m.
ASSOCIATED PRESS/2009 An Indonesian family sits near candles as lights are turned off during a candlelight vigil marking Earth Hour in 2009. Harrah's Gulf Coast and Beau Rivage Resort & Casino in Biloxi will join the observance Saturday by dimming lights from 8:30-9:30 p.m. Dita Alangkara AP
ASSOCIATED PRESS/2009 An Indonesian family sits near candles as lights are turned off during a candlelight vigil marking Earth Hour in 2009. Harrah's Gulf Coast and Beau Rivage Resort & Casino in Biloxi will join the observance Saturday by dimming lights from 8:30-9:30 p.m. Dita Alangkara AP