Last December the US, Saudi Arabia, Kuwait and Russia blocked the IPCC special report on 1.5C from UN talks. Climate change must be addressed by the end of 2020 to prevent irreversible damage to humanity , according to Hans Joachim Schellnhuber from the Potsdam Institute for Climate Change , – an opinion recently backed up by Prince Charles during a speech to Commonwealth foreign ministers . The words refer to an upcoming series of crucial meetings of the UN , where plans are to come together achieve a 45 % reduction in carbon emissions by 2030 .
Climate change must be addressed by the end of 2020 to prevent irreversible damage to humanity , according to Hans Joachim Schellnhuber from the Potsdam Institute for Climate Change , – an opinion recently backed up by Prince Charles during a speech to Commonwealth foreign ministers . The words refer to an upcoming series of crucial meetings of the UN , where plans are to come together achieve a 45 % reduction in carbon emissions by 2030 .