The chasm between the climate action being taken and the emissions cuts required is set out bluntly in the new “global stocktake” report from the UN, produced in collaboration with nations. As it stands, nations will belch out about 22bn tonnes more carbon dioxide in 2030 than the climate can cope with if the global temperature rise is to be held to 1.5C and the worst impacts of the climate crisis are to be avoided. That 22bn tonnes that must be eliminated is equivalent to the combined emissions of the top five polluters today: China, US, India, Russia and Japan....