Squaw Valley USA, on the north shore of Lake Tahoe in California, is one of the largest ski resorts in the U.S. and was the host for the 1960 Winter Olympics. It topped the Ski Area Citizens' list of the top green resorts of 2010, scoring an impressive 100 percent in both Habitat Protection and Protecting Watersheds. Squaw Valley hosts numerous environmental events and festivals throughout the year, uses geothermal heating in some of its facilities, and has an active waste reduction program that's tracking toward a goal of zero waste. It uses green building techniques and materials on new construction and has an entire department dedicated to forest, vegetation and environmental management. Squaw Valley’s website lays out its extensive efforts, so swing over to get a better idea of what it is doing.