Much has changed in the brief 12 months since our 2008 report on environmental sustainability in retail. Not only has the overall sentiment about green evolved, but the areas where retailers are investing have changed significantly. Retail Winners (those retailers whose sales are already outperforming their competitors’) have made even greater progress: for them, green is rapidly creating a strategic advantage in ALL corners of the enterprise, and has become a major component of the planning for any new IT investment.

What are the major challenges and opportunities retailers face? And where are the best performing Winners investing?