The idea that spending by consumers and governments drives the economy is the basis for today’s anti-austerity "hosannas." The new French president, François Hollande, has promised to open the spigots and spend Europe back to economic health. If only it were that easy. 

While some companies have only recently rushed to become sustainable in an effort to appease potential critics or help their brand’s image, others have been sustainability leaders for years. They have built sustainability into their core DNA, making it a critical factor in all of the services they offer and how they run their operations. These companies are helping the U.S. grow its green economy and making the country more economically diverse and resilient in the hyper-competitive age of globalization.