A group of senators and scientists today called for national and international action to avert a predicted warming of the earth's climate resulting from a buildup of carbon dioxide and other man-made gases in the atmosphere. https://climatestate.com/2018/02/23/carl-sagan-al-gore-in-1985-2m-slr-5c-by-2100-manabe-macdonald-cicerone-abrahamson/