One of the world’s biggest hotel chains has announced it will plant vegetable gardens at many of its hotels as part of a plan to cut food waste by a third. AccorHotels, which includes the Pullman, Sofitel, Novotel, Mercure and Ibis chains, intends to “reduce food waste by 30%, in particular by sourcing food locally”, chief executive Sebastien Bazin said on Tuesday. The French group, which generates 25-30% of its revenue by serving 150 million…