People are being encouraged this festive season to join the #Plantiback campaign. Every year, the UK buys six-eight million Christmas trees, and the majority of these get discarded in the new year – so this year the Cambridgeshire-based rewilding charity Creating Nature’s Corridors is urging people to pay it back. All you have to do is to remember to make a £5 donation to the charity when you purchase your tree and the funds will go towards replanting the least wooded areas of the country. While buying a Christmas tree is still regarded as the right choice from an environmental perspective (as…