Green light: Green mail, orphaned chimps and tar sands destruction

Energy • Royal Mail goes green in Hebrides • Feel the heat: Paris Mètro to warm flats • UK 'heat pumps' fail as green devices, finds study • HSBC predicts bigger growth for low-carbon cars than renewables sector • MPs to question BP rig operator amid fears of similar disaster in North Sea Wildlife • World's smallest seahorse faces extinction after BP oil spill • Congolese chimpanzees face new 'wave of killing' for bushmeat • Greenpeace 'Tokyo Two' anti-whaling activists found guilty Multimedia • In pictures: Tarnished Earth - the destruction of Canada's boreal forest • The Dart: an exhibition by Kurt Jackson • In pictures: Orphaned chimpanzees in the Democratic Republic of the Congo • In pictures: Trees in leaf - your Green shoots photographs Green living • Test-driving the plug-in Prius: is this the future of greener motoring? • Cycling to recycling: the ethical way to dispose of your bike • And now for a very peculiar autumn • American-bashing misses the point when climate talks fail • Could supermarkets move our food around in a greener way? Best of the web • BusinessGreen: Wave Hub successfully installed off Cornish coast • SolveClimate: US company plans to ship fresh water from Alaska to India • BusinessGreen: UN debuts website for tracking climate aid For more of the best environment comment and news from around the web, visit the Guardian Environment Network . ... And finally • Which is the most eco-friendly alcoholic drink? Wine, beer or spirits: which has the biggest environmental impact? And would you pass on your favourite tipple if it was shown to damage the environment?