Ashley Cooper / A vertical axis wind turbine in the grounds of a Tesco supermarket in Oldham, Lancashire, UK. October 2009

Pat Tuson / The Small Green Bag, reusable shopping bag from Tesco held by woman in queue at plant sale, London UK

Pat Tuson / Man in street carrying The Big Green Bag, reusuable bag from Tesco, London, UK

Pat Tuson / The big green bag, Tesco reusable shopping bag held by man, Islington Farmers Market, London, UK