Agence France Presse: Rising seas and water shortages could displace 125 million people in South Asia by the end of the century if global warming goes unchecked, a new Greenpeace study said Wednesday. "If greenhouse gas emissions continue to grow under the business-as-usual scenario as projected… the South Asian region could face a wave of migrants," said the report’s author Sudhir Chella Rajan, a leading Indian climate change expert. The 125 million people affected would be those living …