The truth about 'We have to get rid of the medieval warm period'

In the thread Intelligence and the hockey stick commenter “Robert” challenged a well known quote about the MWP from 2006 by Dr. David Deming in his statement before the Senate EPW committee which is the title of this post. I thought it was worth spending some time setting the record straight on what the original quote…

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Global Warming = Climate Change

Guest Essay by Ed Hoskins This short essay questions the actions to combat Global Warming / Climate Change from three points of view: The Temperature Context Man-made CO2 emissions 1965 -2012. The Significance and Influence of Carbon Dioxide CO2 The Temperature Context Mankind has thrived and developed in the last 10,000+ years, the period of…

Evidence for a Global Medieval Warm Period

From CO2Science: Medieval Warm Period (Antarctica) — Summary Was there a Medieval Warm Period somewhere in the world in addition to the area surrounding the North Atlantic Ocean, where its occurrence is uncontested? This question is of utmost importance to the ongoing global warming debate, for if the Medieval Warm Period is found to have…

Marcott issues a FAQ on their paper

This is from Real Climate, who played the “he who must not be named” game again in not pointing out criticisms. Gavin dissapoints. UPDATE: McIntyre responded earlier today with The Marcott Filibuster Marcott et al have posted their long-promised FAQ at realclimate here. Without providing any links to or citation of Climate Audit, they now concede:…

Marcott's uptick – a result of proxy sign inconsistency

Shades of upside down Tiljander. McIntyre is delving further into the Marcott proxy issue and it looks almost certain now there’s a statistical processing error (selection bias). Steve McIntyre writes: In the graphic below, I’ve plotted Marcott’s NHX reconstruction against an emulation (weighting by latitude and gridcell as described in script) using proxies with published…

Another Hockey Stick?

Guest post by S. Fred Singer Green forces, eager to promote their theories of global warming, appear to be practicing intellectual recycling.  Is this the return of the notorious hockeystick – which, in 2001, was the central dogma of Anthropogenic Global Warming (AGW) believers? This quasi-religious faith in catastrophic AGW still remains a prerequisite for…