"Gates is right about the scale and urgency of the problem . . . . [He has a] touching, admirable faith in science and reason, [but he also] knows that the solution he seeks is inextricably tied up in political decisions. . . . [T]o operationalise the [[w:Paris Agreement|Paris [COP21] agreement]] – to limit warming to 1.5 degrees – requires countries to halve their CO2 emissions by 2030. So vested interests like big oil will have to be enlisted for change. The . . . rhetoric of irresponsible demagogues will have to be taken head on. And supporters of a stronger set of commitments will have to show why sharing sovereignty is in every nation’s self-interest . . . . Success will come by demonstrating that the real power countries can wield to create a better world is not the power they can exercise over others but the power they can exercise with others."