More than 140 million people in just three regions of the world will be made climate migrants by 2050, the World Bank projected in a 2018 study, assuming current warming and emissions trends: 86 million in sub-Saharan Africa, 40 million in South Asia, and 17 million in Latin America. The most commonly cited estimate from the United Nations’ International Organization for Migration suggests numbers a bit higher—200 million, total, by 2050. These figures are quite high—higher than most non-advocates credit. But according to the U.N. IOM, climate change may unleash as many as a billion migrants
...more
