Big Beasts and Climate Change

A study has predicted that the current energy policies of Canada, China and Russia will result in 5 degree Centigrade increase in global temperature by 'the end of the century' (https://www.theguardian.com/environment/2018/nov/16/climate-change-champions-still-pursuing-devastating-policies-new-study-reveals). This (if we get there) is twice the 2.5 degrees optimistically guesstimated to be the maximum the planet could accommodate. The policies of the US and the UK are not much better, as they would generate an elevation of 4 degrees. So one has a situation where some of the industrialised countries that are most vocal about the dangers of 'global warming' are the biggest offenders.