Oceanic Downwelling and our Low Surface Temperatures

Guest Post by Wim Röst Introduction The creation of ‘Hot Worlds’ and ‘Glacial Worlds’ during past geological periods was only made possible by warm and cold deep oceans, respectively, that were created by specific configurations of continents and oceans. Without warm deep oceans, no warm global climate state is possible. Without cold deep oceans, no…

Glaciers Cause Global Warming?

Guest post by David Middleton Rice University Torres, who joined the Rice faculty in July, is lead author of a paper in the Proceedings of the National Academy of Sciences. He wanted to know how and when chemicals released by weathering of the land reached the atmosphere and ocean, and what effect they have had. The…