Tell Wal-Mart to Live Up to Its Clean Power Promise

salsa.democracyinaction.org — Wal-Mart, the largest private purchaser of electricity in the United States, claims that environmental sustainability is among its chief goals. The retailer's much-hyped sustainability initiatives include being supplied by 100-percent renewable energy. Going green is how Wal-Mart's now branding itself. Except, of course, when it comes to tak