Mumbai, Chennai & New York could be lost to sea level rise by 2100, says new US study

Mumbai, Chennai, New York, Shanghai and many other coastal cities are under a severe existential threat, a new alarming study has predicted.The US-based Proceedings of the US National Academy of Sciences (PNAS) study has said that sea levels are rising much faster than expected due to greenhouse gas emissions, and could rise, in the worst case, by over a meter by the end of this century even if the 2016 Paris climate agreement objectives are met.