Researchers said it is likely that millions of people in South Asia will be forced to move. Climate change could make much of South Asia - home to a fifth of the world’s population - too hot for human survival by the end of this century, scientists warned on Wednesday. If climate change continues at its current pace, deadly heatwaves beginning in the next few decades will strike parts of India, Pakistan and Bangladesh, according to a study based on computer simulations by researchers at the Massachusetts Institute of Technology (MIT).

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