And the vice of global warming hasn't really begun to tighten down yet. When that happens, mass migration from the tropics to the temperate zone and from arid areas to where the water still is. Global Inequality
Migration into Europe: A problem with no solution Branko Milanovic | Visiting Presidential Professor at City University of New York Graduate Center and senior scholar at the Luxembourg Income Study (LIS), and formerly lead economist in the World Bank's research department and senior associate at Carnegie Endowment for International Peace