Agrifood and the building industry are among the biggest global greenhouse gas emitters. We asked Klaus Wiens from the German supermarket group REWE what they are doing about it, and visited their first timber-construction supermarket with rooftop farm in Berlin.
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Revolution Not Evolution — The Common Table
Klaus Wiens, head of construction at Rewe on their all-new timber construction supermarkets, complete with rooftop farms supplying fresh greens to the region.