Guardian: It began in 2007 with a few traders in the small town of Modbury in Devon refusing to give out plastic bags. But yesterday their small green revolution reached a national milestone: British shoppers have nearly halved the number of single-use bags they get through. Figures from Wrap, the government’s waste and resources programme, show that whereas 870m single-use plastic bags were handed out in the UK in May 2006, the figure for May 2009 was down to 450m – a 48% reduction, and 4,740 …