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…

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.…

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…

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…

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…

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…

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…