Independent: Why are we asking this now? Because yesterday the Government’s anti-waste body, Wrap, announced that plastic bag use in the UK had dropped from 13.4 billion in 2007 to 9.9 billion in 2008 — a reduction of 26 per cent, or 3.5 billion bags. Yes, indeed it is; the 3.5 billion bags which have been cut from use, laid end to end, would stretch to the Moon and back twice, or around the Earth 44 times, Wrap obligingly points out (which is a bizarre but undeniably impressive image). On …