Mumbai, Oct. 31 -- A month after the United Nations Intergovernmental Panel on Climate Change (IPCC) identified Mumbai as one of six Indian cities likely to be inundated by 2100, a follow-up study has found the impact of rising sea levels may be felt much sooner.

In a latest study, published on Tuesday, American scientific research organisation Climate Central estimated that the Arabian Sea would begin flooding Mumbai by 2050. Globally, 150 million people may be at risk, says the study. "We need to take action in time to protect millions, and to avoid the economic and political upheaval that a climate disaster on this scale could bring," said Dr. Benjamin Strauss, author of the study as well as chief scientist and chief executive officer...