The WMO predicts that between 2020 and 2023 there is a 10% chance of a 1.5 C global temperature increase. This means that the UN goal of not exceeding this threshold will not be heeded because of the very pace of accelerating global warming. While by 2030 we will reach 450 ppm CO2, if we continue at the same rate of pollution, and as a result the fateful 2 C which will trigger the positive feedbacks that will cause the abrupt thawing of the continental...