Deadly flooding in southern Brazil sparks fear of climate migration

River levels in Brazil are going up after intense flooding in the southern part of the country. Around 150 people have been killed and half a million have been forced to leave their homes, shining a devastating spotlight on the rise of climate migration around the world. » Subscribe to NBC News: NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging news stories. NBC News Digital features , , , Nightly News, Meet the Press, Dateline, and the existing apps and digital extensions of these respective properties. We deliver the best in breaking news, live video coverage, original journalism and segments from your favorite NBC News Shows. Connect with NBC News Online! Breaking News Alerts: Visit : Find NBC News on Facebook: https://