Business Green: Tesco has today announced plans for a trial scheme that will effectively encourage customers to leave unwanted and excessive packaging at the check out. Mirroring the high profile Women’s Institute campaign launched back in 2005, which asked shoppers to leave packaging they regarded as unnecessary in store, the pilot scheme will be undertaken for six weeks at Tesco Extra stores in Guildford and Ilminster. Tesco said the trial would form part of a wider research project designed …