The Least Green Companies in America From KeyCorp to Monsanto, the least eco-friendly companies in the U.S. Oct 16, 2011 9:30 PM EDT View AllMore 16. Tyson Foods Next Previous Getty Images Industry Sector: Food, Beverage & Tobacco NEWSWEEK Green Score: 30.3% Environmental Impact: 19.7% Environmental Management: 44.9% Transparency & Disclosure: 12.5% Previous 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Next 10
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