Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Climate Change Ancient Extreme Global Warming 11-23-2010 • arclein o fill this gap in knowledge, the authors of the new study focused on one of the hottest episodes of Earth's climate history - the Middle Eocene Climatic Optimum (MECO), which occurred around 40 million years ago. Al 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: