In times of war …


Climate science suggests that, to have a high probability of limiting global warming to an average temperature increase of 2 °C, global greenhouse gas emissions must peak by 2020 and be reduced to close to zero by 2040. However, the current trend is heading towards at least 4 °C by 2100 and little effective action is being taken. This paper commences the process of developing contingency plans for a scenario in which a sudden major global climate impact galvanises governments to implement emergency climate mitigation targets and programs. Climate activists assert that rapid mitigation is feasible, invoking the scale and scope of wartime mobilisation strategies. This paper draws upon historical accounts of social, technological and economic restructurings in several countries during World War 2 in order to investigate potential applications of wartime experience to radical, rigorous and rapid climate mitigation strategies.

Laurence L. Delina, Mark Diesendorf. Energy Policy. Volume 58, July 2013, Pages 371–380.
Meanwhile, however, someone has actually been measuring the temperature. The soft grey line is CO2.
Temperature and CO2 seem to correlate about as well as Delina and Diesendorf and common sense.

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