In his new book, Hansen discussed the fact that Lindzen never addresses the sensitivity implied by the glacial/interglacial transitions of the last half million years. He says Lindzen operates like lawyer who only discusses evidence in favor of his position. not like a scientist who seeks a theory consistent with all the evidence.
Hansen has had a number of opportunities to debate or publicly discuss this matter with Lindzen, but he apparently never asked Lindzen about it. He asked Lindzen in private about cancer and smoking recently and Lindzen responded by pointing out evidence against the link. On Dec 2 2009, 10:10 am, Eric Swanson <[email protected]> wrote: > So, I take the opportunity to ask a rather obvious question: If the > feedback from high clouds is strong enough to have prevented freezing > during the period of low solar output Lindzen mentions, how is it that > the Earth warmed enough for the ice sheets to have melted. Wouldn’t > the negative feedback have prevented the warming which led to the > melting of the ice? Looking at the other end of the cycle of Ice > Ages, if that cloud feedback was strong enough to offset the low solar > output, what was the cause of the freezing which terminated the last > Interglacial, the Eemian, roughly 120,000 years ago (and all the other > Interglacials over the past 3 million years as well)?? > > I think Dr. Lindzen may have destroyed his own hypothesis in his op-ed > piece....8-) > > E. S. -- You received this message because you are subscribed to the Google Groups Global Change ("globalchange") newsgroup. Global Change is a public, moderated venue for discussion of science, technology, economics and policy dimensions of global environmental change. Posts will be admitted to the list if and only if any moderator finds the submission to be constructive and/or interesting, on topic, and not gratuitously rude. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/globalchange
