Britain was once a green and mostly wooded land; now trees have been pushed to the margins of almost all our lives. But British woodland is more dynamic now than perhaps ever before. Conifers planted gratuitously for cash are being replaced by native species, the revival of woodland crafts is allowing woods to pay for themselves and urban forests are oxygenating our cities. Jeremy Cherfas explores the reality of woodland in Britain today through the story of four woods. Bradfield Woods , Suffolk. Coppiced continuously for 750 years and still earning its keep without evicting its resident nightingales and dormice, Producer Tim Dee