Campbell's is the only U.S.-based food or beverage company to crack this year's "Global 100" most sustainable companies list, which is determined by Toronto-based Corporate Knights, and was announced in globo-corporate Eden at the annual World Economic Forum in Davos, Switzerland. Here's a snapshot of why the Camden-based soup giant qualified: • The company’s redesign of plastic product packaging, which saved more than 1.2 million pounds of plastic in fiscal 2012; • Construction of a 60-acre, 10 megawatt solar field in 2011 at its Napoleon, Ohio, manufacturing site, where 24,000 sun-soaking panels generate 15 percent of the electricity to operate the plant;