Economic feasibility of the path to zero net carbon emissions

►Nations are willing to pay substantial sums to avert perceived existential threats. ►Primary energy supplies from renewable sources could meet global energy needs. ►The investment required to de-carbonize the global energy system is economically feasible. ►This effort would be comparable as a percent of GDP to US aid to Europe after World War II. ►It would also be comparable in magnitude to current international payments for oil and natural gas.