The Extinction Rebellion’s hysteria vs. climate science

By Larry Kummer at the Fabius Maximus website, 3 May 2019. Summary: The Extinction Rebellion and the Green New Deal arouse fears of extinction for other species, and humanity. Only the complicit silence of climate scientists makes this possible. Compare the alarmists’ claims with what scientists said in the IPCC’s Fifth Assessment Report (AR5). Too…

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What’s the worst case? Climate sensitivity

Posted on April 1, 2019 by curryja | Reposted from Climate Etc. by Judith Curry Are values of equilibrium climate sensitivity > 4.5 C plausible? For background, see these previous posts on climate sensitivity [link] Here are some possibilistic arguments related to climate sensitivity.  I don’t think the ECS example is the best one to…

Climate hypochondria and tribalism vs. ‘winning’

Reposted from Dr. Judith Curry’s Climate Etc. Posted on February 7, 2019 by curryja | by Judith Curry Some reactions from Wednesday’s Congressional testimony. I’m starting this post while sitting in the Phoenix airport waiting for my delayed flight home (by the time I get home, I will have been up for 24 hours today/tomorrow).…

Reassessing the RCPs

From Judith Curry’s Climate Etc Posted on January 28, 2019 by curryja | by Kevin Murphy A response to: “Is RCP8.5 an impossible scenario?”. This post demonstrates that RCP8.5 is so highly improbable that it should be dismissed from consideration, and thereby draws into question the validity of RCP8.5-based assertions such as those made in…

WG1 co-chair Thomas Stocker abandons IPCC principles

Thomas Stocker, the co-chair of IPCC WG1, has been discussed previously on this blog. On 26th November he gave a talk at Imperial College on the messages from the AR5 WG1 report. The headline of the write-up is “Act now to limit climate change says climate expert at Grantham Annual Lecture” and it ends with:…