Climate Change Debate: Last Week Tonight with John Oliver (HBO)

John Oliver hosts a mathematically representative climate change debate, with the help of special guest Bill Nye the Science Guy, of course. Connect with Last Week Tonight online... Subscribe to the Last Week Tonight YouTube channel for more almost news as it almost happens: www.youtube.com/user/LastWeekTonight Find Last Week Tonight on Facebook like your mom would: http://Facebook.com/LastWeekTonight Follow us on Twitter for news about jokes and jokes about news: http://Twitter.com/LastWeekTonight Visit our official site for all that other stuff at once: http://www.hbo.com/last-week-tonight-with-john-oliver It s HBO.