MSNBC Live with Tamron Hall 08/13/15

NASA launching operation 'OMG'

Amid threats of rising sea levels, NASA is launching an emergency operation called "Oceans Melting Greenland" - nicknamed "OMG." MSNBC Reporter and Host of "Greenhouse" on Shift, Tony Dokoupil explains the new operation on NewsNation. ... more Duration: {{video.duration.momentjs}}