Report graded over 2,000 top companies for sustainability . Score: 6 German sportswear company Puma was rated highest . Only 2 % of U.S. companies and 1 % of Asian businesses had the top mark .
Report graded over 2,000 top companies for sustainability . Apple and Google received D grades . German sportswear company Puma was rated highest . Only 2 % of U.S. companies and 1 % of Asian businesses had the top mark .