Procter & Gamble has expanded its Future Friendly program — a multibrand initiative aimed at helping shoppers save water, waste and energy at home — and is bringing the environmental responsibility and educational platform to the store level as it kicks off a full media platform in an effort to reach at least 50 million U.S. households by the end of the 2010. But what kind of research is behind the design and deployment of Future Friendly, and what does it mean for retailers?