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Touring a solar Sam's

California Gov. Arnold Schwarzenegger tours a solar panel installation on the roof of a Sam's Club store with Wal-Mart vice president and California regional general manager Kimberly Sentovich on Earth Day in Glendora, California. Following the tour, the governor and Wal-Mart officials announced that Wal-Mart will expand its solar power programs by adding solar panels on 10 to 20 additional Wal-Mart facilities to generate up to 32 million kilowatt hours of renewable energy every year, the equivalent of powering more than 2,600 homes. Gettyi photo by David McNew