Studying Sustainability at Wal-Mart

Michael Duke, president and chief executive officer of Wal-Mart Stores Inc. Photograph by Jin Lee/Bloomberg

With Wal-Mart Stores’ international operations facing scrutiny on several fronts, the giant retailer’s sustainability strategy is the theme of new classes at two business schools, one of which was endowed with a gift from the family of Wal-Mart’s founder.

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