Corporate Social Responsibility News: Marks & Spencer Plans to be World's Most Sustainable Major Retailer; Climate Counts Launches Striding Shopper Campaign for Holidays.<br /><br />This CSR Minute is sponsored by McKesson. For information about McKesson's corporate citizenship, please visit www.mckesson.com/corporatecitizenship. <br /><br />Visit: http://3blmedia.com/3bltv for more CSRminute podcasts.