Subtitled in German15:34The business logic of sustainabilityRay AndersonTranslated by Nina VoglmeirReviewed by Susanne Schmidt-Wussow
Subtitled in German19:45Cradle to cradle designWilliam McDonoughTranslated by Nina VoglmeirReviewed by Dominik Weickgenannt
Subtitled in German17:14The route to a sustainable futureAlex SteffenTranslated by Valentina ErnstReviewed by Nina Voglmeir
