The U.S. industrial food system is the largest contributor to green house gases in the United States. And it's polluting more than just our environment. It's crippling our health-care system and national security. Yet the term "sustainable," and what consumers assume are its aliases-natural, local, and organic, is being used in an unsustainable way. Health Coach and author Ali Shapiro traveled to Sweden this summer with the University of Pennsylvania to study The Natural Step, an internationally recognized scientific framework that helps evaluate what decisions we make as companies and...