Tag Archives: Last Glacial Maximum

Climate and Human Civilization over the last 18,000 years

Guest essay by Andy May This document is meant to explain the accompanying poster and expand on the poster’s content. Some references to the images and data shown in the poster are on the poster and others are in the … Continue reading

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Posted in Paleoclimatology | Tagged , | 104 Comments

Environmentalist Air Pollution

Guest Post by Ira Glickstein. What’s the difference between a whimsical fable and an environmental fallacy? On the outside, fables are light-hearted fibs. But oh so true on the inside. Environmental fallacies are just the opposite, serious and plausible on … Continue reading

Posted in Global warming | Tagged , , , , , , | 118 Comments

Wild Speculation on Climate and Polar Bears

By Dr. Pat Michaels at World Climate Report, reposted with permission. Here is another big one from PNAS. For those who don’t know, PNAS stands for the Proceedings of the National Academy of Sciences and it has gained the unfortunate … Continue reading

Posted in Ridiculae | Tagged , , , , , , , , | 104 Comments

Lower Climate Sensitivity Estimates: New Good News

Guest post by Chip Knappenberger, republished with permission from Master Resource (now on WUWT’s blogroll) “A collection of research results have been published in the peer-reviewed scientific literature in recent months that buoys my hopes for a low-end climate sensitivity.” … Continue reading

Posted in Climate sensitivity | Tagged , , , , , , , | 69 Comments

A Response to Skeptical Science’s “Patrick Michaels: Serial Deleter of Inconvenient Data”

Guest post by Patrick Michaels When the battle is being lost, there is a tendency to try to raise a level of distraction to shift the attention away from the desperate situation at hand. Such is the noise being raised … Continue reading

Posted in Climate ugliness | Tagged , , , , , , , | 260 Comments

CO2 Sensitivity is Multi-Modal – All bets are off

Guest Post by Ira Glickstein A multi-modal probability distribution, such as the graphic below [from Schmittner 2011], cries out “MULTIPLE POPULATIONS”. Equilibrium Climate Sensitivity (expected temperature increase due to a doubling of CO2 levels, all else being equal) is distinctly … Continue reading

Posted in Carbon dioxide, Climate sensitivity | Tagged , , , , , , , | 153 Comments

New study in Science shows climate sensitivity overestimated

From Oregon State University  some news the team and especially Kevin Trenberth just really don’t want to hear. I covered this on a tip from Dr. Pat Michaels back on Nov 9th titled: Climate sensitivity- lowering the IPCC “fat tail” and … Continue reading

Posted in Climate sensitivity | Tagged , , , , , , | 95 Comments