` There are signs that companies are making sustainability a priority and acknowledging its importance , not only in terms of acting as good 'corporate citizens ' but also in terms of ensuring their own long-term success , '' she said . Report ##ed over 100 top marks for sustainability . Apple and Google received D grades . German automotive manufacturer Volkswagen was rated highest . Only 2 % of U.S. businesses and 1 % of Asian businesses had the top mark .
Report ##ed over 100 top marks for sustainability . Apple and Google received D grades . German automotive manufacturer Volkswagen was rated highest . Only 2 % of U.S. businesses and 1 % of Asian businesses had the top mark .