Guardian: It is an all-too familiar scene of environmental destruction. Deep in a forest, heavy machinery has felled a giant swath of trees to leave bare scrubland and a handful of stumps as forlorn memorials. The timber has long gone and cattle now pick their way across the clearing. But the scene of this environmental vandalism is not Indonesia or the Amazon; it is affluent Surrey. And those responsible are not illegal loggers, but one of Britain’s largest and most influential conservation …