But $70T is a surprisingly large number to me, in view of stuff like 500,000,000,000 is a small number. This turns out to be The NPV of the total economic effect of climate change, denoted as C_NPV, consists of mitigation costs, adaptation costs and climate-related economic impacts aggregated until 2300 and discounted using equity weighting and a pure time preference rate. So, OK, it's total not annual, OK, that probably makes sense. But then it becomes unexciting.
* Climate change could kill over 500,000 people per year by 2030?
* GDP impartially consider'd
* 4th National Climate Assessment report: Labour
* You Have No Right to Your Culture by Bryan Caplan
* Inequality is decreasing between countries—but climate change is slowing progress - NatGeo
* Dalmia's Almost Great Idea on Sanctuary Cities by David Henderson
* Live and Let Live by Pierre Lemieux (Hayek: The possibility of men living together in peace and to their mutual advantage without having to agree on concrete common aims, and bound only by abstract rules of conduct, was perhaps the greatest discovery mankind ever made; PL: The more politics expands beyond this basic level, the less agreement there can be and the more confrontation there must be. In other words, the more politics there is, the less manageable it become)
* Rejoinder to Moller on Immigration by Bryan Caplan