Watch The 1958 Frank Capra Film That Warns Of Global Warming | ThinkProgress

On February 12, 1958, the American public saw the first televised warning about the dangers of carbon dioxide, global warming, and sea level rise. That warning came from The Bell Laboratory Science Series, which aired its fourth TV episode, “Unchained Goddess,” written and produced by three-time Oscar winner Frank Capra...
http://thinkprogress.org/climate/2016/02/12/3749275/frank-capra-1958-global-warming/