The recently released Wal-Mart sustainability scorecard may become the new baseline of information for all companies concerned with their environmental and social performance. The scorecard assesses Wal-Mart’s suppliers on their performance in four key areas: energy and greenhouse gas emissions; waste and water use; natural resources; and responsible and ethical production. Although its development is a very significant move from the world’s largest retailer, the score card is just an early sign of things to come. Smart companies know they will need to go beyond simply responding to Wal-Mart’s latest efforts. This article explore Retail’s role in the sustainability movement.