By Andy May and Marcel Crok We were charged by Marty Rowland and the American Journal of Economics and Sociology (AJES) with writing a literature review paper supporting the skeptical…
Tag: AR6
Climate Model Bias 7: WGIII
By Andy May In the previous report, part 6 of this series, I discussed the bias in AR6 WGII. The major bias in the report stemmed from ignoring the benefits…
Climate Model Bias 6: WGII
The IPCC AR6 WGII report examines the impact of climate change but ignores the benefits of warming and additional CO2.
Climate Model Bias 5: Storminess
By Andy May In part 4 the impact of convection and atmospheric circulation on climate was discussed. When circulation patterns change, they change the speed and efficiency of the transport…
Climate Model Bias 4: Convection and atmospheric circulation
By Andy May In part 3 we discussed the relationship between changes in solar activity and climate changes. Exactly how solar changes affect climate is not understood. It isn’t the…
Climate Model Bias 3: Solar Input
By Andy May In part 2 we discussed the IPCC hypothesis of climate change that assumes humans and our greenhouse gas emissions and land use choices are the climate change…
IPCC’s New “Hockey Stick” Temperature Graph
The United Nations’ Intergovernmental Panel on Climate Change (IPCC) published their latest assessment report (AR6) in 2021. In 2023, the Clintel Foundation published a report which criticizes AR6.
Climate Model Bias 2: Modeling Greenhouse Gases
By Andy May Since the late 19th century, with the work by Svante Arrhenius, climate models have been used to estimate the amount of global warming due to human greenhouse…
More on the statistical dispute between Scafetta and Schmidt
By Andy May The argument about the proper way to estimate error in the European Centre for Medium-Range Weather Forecast (ECMWF) ERA5 weather reanalysis dataset between Nicola Scafetta and Gavin…
CLINTEL’s critical evaluation of the IPCC AR6
From Climate Etc. by Judith Curry Clintel has published a new report entitled “The Frozen Climate Views of the IPCC: Analysis of the AR6.” “The new Report provides an independent…
McKibben: Last Week’s Climate Report “landed … with a gentle plop”
McKibben believes the reason the IPCC’s increasingly frantic climate warnings are being ignored is people don’t believe they can make a difference.
Important New Paper Challenges IPCC’s Claims about Climate Sensitivity
Official IPCC estimates of future global warming may be overstated
CO2 Sample Spacing in Ice Cores
Guest Post by Renee Hannon Introduction This post examines sample spacing for CO2 measurements in Antarctic ice cores during the past 800,000 years to better understand if gaps in sampling…
The IPCC’s attribution methodology is fundamentally flawed
These problems mean there is no basis for treating past attribution results based on the AT99 method as robust or valid. The conclusions might by chance have been correct, or…
Squaring The Circle: The UN’s Climate “Code Red” Versus The Real World
With the dust having barely settled after the UN climate body issued its “code red” climate change report on Monday, the Biden White House urged OPEC and its allies to…
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