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Roger A. Pielke senior: Zitate auf Englisch

“The IPCC WG1 Chapter 3 Report clearly cherrypicked information on the robustness of the land near-surface air temperature to bolster their advocacy of a particular perspective on the role of humans within the climate system. As a result, policymakers and the public have been given a false (or at best an incomplete) assessment of the multi-decadal global average near-surface air temperature trends.”

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Roger A. Pielke

"Documentation of IPCC WG1 Bias by Roger A. Pielke Sr. and Dallas Staley - Part I," Climate Science: Roger Pielke Sr. Research Group Weblog (2007-06-20) http://climatesci.org/2007/06/20/documentation-of-ipcc-wg1-bias-by-roger-a-pielke-sr-and-dallas-staley-part-i/

“The role of urban areas within the climate system is yet another human climate effect whose role was minimized in the 2007 IPCC WG1 Report.”

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Roger A. Pielke

"Important New Paper on the Urban Effect of Temperature and Other Climate Metrics," Climate Science: Roger Pielke Sr. Research Group Weblog (2007-06-22) http://climatesci.org/2007/06/22/important-new-paper-on-the-urban-effect-on-temperature-and-other-climate-metrics/

“Whether one agrees or not with Mr. Taylor (or the other climatologists whose voices are being stifled), this is an inappropriate politicalization of climate science to promote a particular view.”

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Roger A. Pielke

"More on the Suppression of Climate Change Views," Climate Science: Roger Pielke Sr. Research Group Weblog (2007-06-23) http://climatesci.org/2007/06/23/more-on-the-suppresion-of-climate-change-views/

“The claim by the IPCC that an imposed climate forcing (such as added atmospheric concentrations of CO2) can work through the parameterizations involved in the atmospheric, land, ocean and continental ice sheet components of the climate model to create skillful global and regional forecasts decades from now is a remarkable statement. That the IPCC states that this is a ‘much more easily solved problem than forecasting weather patterns just weeks from now’ is clearly a ridiculous scientific claim.”

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Roger A. Pielke

"A Short Summary of Why Skillful Climate Prediction Is Much More Difficult than Skillful Weather Prediction," Climate Science: Roger Pielke Sr. Research Group Weblog (2007-05-23) http://climatesci.org/2007/05/23/a-short-summary-of-why-skillful-climate-prediction-is-much-more-difficult-than-skillful-weather-prediction/

“Climate forecasts (projections) decades into the future have not demonstrated skill in forecasting local, regional, and global climate variables.”

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Roger A. Pielke

"Are Multi-decadal Climate Forecasts Skillful?", Climate Science: Roger Pielke Sr. Research Group Weblog (2005-07-22) http://climatesci.org/2005/07/22/are-multi-decadal-climate-forecasts-skillful/

“Humans are significantly altering the global climate, but in a variety of diverse ways beyond the radiative effect of carbon dioxide. The IPCC assessments have been too conservative in recognizing the importance of these human climate forcings as they alter regional and global climate. These assessments have also not communicated the inability of the models to accurately forecast the spread of possibilities of future climate. The forecasts, therefore, do not provide any skill in quantifying the impact of different mitigation strategies on the actual climate response that would occur.”

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Roger A. Pielke

"Main Conclusions," Climate Science: Roger Pielke Sr. Research Group Weblog (undated) http://climatesci.org/main-conclusions/