Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Climate Change Pliocene Warming and CO2 12-23-2009 • arclein The researchers used a long-term model for assessing climate change, confirming a similar British study released this month that said calculations for man-made global warming may be underestimated by between 30 and 50 percent. Watch Streaming Broadcast Live: LRN.fm Watch live shows and archives TV Live Chat Telegram Share this page with your friends on your favorite social network: