What would the IPCC have written if there had been 12 years of rapid warming?

Climatologists now require 20 to 30 years to even consider any climatic trend: Is that really honest, or is it just very convenient? Guest essay by Stephane Rogeau of France…

Dr. Kiehl's Paradox

Guest Post by Willis Eschenbach Back in 2007, in a paper published in GRL entitled “Twentieth century climate model response and climate sensitivity” Jeffrey Kiehl noted a curious paradox. All…

You don't want to see sausage or climate policy being made

Tom Nelson points this out – IPCC sausage-making details: Saudi Arabia cautioned against “giving policy makers the message that CO2 drives global warming” Summary of the Twelfth Session of the…

Why Climate Science is Fallible

Guest essay by Dr. David Deming We live in a scientific age. The sciences are viewed as the only real sources of authoritative information. Knowledge derived from other epistemological systems…

McIntyre on IPCC's switching the pea under the thimble

Fixing the Facts – By Steve McIntyre Figure 1.4 of the Second Order Draft clearly showed the discrepancy between models and observations, though IPCC’s covering text reported otherwise. I discussed…

If climate data were a stock, now would be the time to SELL

Using a financial markets’ trend-analyses tool to assess temporal trend-changes in global surface temperature anomalies (GSTA). Guest essay by David Dohbro Heated debates (pun intended) are currently on going regarding…

Confidence tricks between IPCC AR4 and AR5

Patrick Carlberg writes: I can’t assess the validity of the values from the climate models presented in AR5 (mostly due to lack of time). But I can tell you there…