Any failure by the Cop26 summit in Glasgow to deliver an agreement on future trans-national climate controls could plunge the world into chaos, sparking migration crises alongside food shortages, political disorder and war, the U.N.’s top climate official warned Sunday. Patricia Espinosa, executive secretary of the U.N. Framework Convention on Climate Change, made her bleak prediction ahead of the opening of the convention on November 1. As some 30,000 people from 197 different countries ready to fly in to the meeting, she warned: We’re really talking about preserving the stability of countries, preserving the institutions that we have built over...
