True or false? Exposing the falsehoods of climate change sceptics

As the COP26 climate summit gets under way in the UK city of Glasgow amid projections of an apocalyptic future if drastic changes are not made, climate change sceptics still make statements like “global warming is caused by the sun" and “there is no scientific consensus”. FRANCE 24 spoke to climatologist Hervé Le Treut, who deconstructed these falsehoods.