Levi Strauss And Patagonia Executives Speak At The Commonwealth Club Of California [Getty Images]

Chip Bergh, chief executive officer at Levis Strauss & Co., speaks during a Climate One event at the Commonwealth Club of California in San Francisco, California, U.S. on Friday, Jan. 25, 2013. Bergh and Rick Ridgeway, vice president of environmental affairs at Patagonia Inc., discussed clothing brands trying to establish green credentials with consumers who care about the health of customer's bodies and the planet. Photographer: David Paul Morris/Bloomberg via Getty Images

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