Climate Models Have Not Improved in 50 Years

Guest “how can he write this with straight face?” by David Middleton Even 50-year-old climate models correctly predicted global warmingBy Warren Cornwall Dec. 4, 2019 Climate change doubters have a favorite target: climate models. They claim that computer simulations conducted decades ago didn’t accurately predict current warming, so the public should be wary of the…

More Junk Science From the AAAS of A: Bird Apocalypse Edition

Guest Science! (as in “she blinded me with”) critique by David Middleton One of the best things about my morning emails from the American Association for the Advancement of Science of America (Google “Dodgeball” if you don’t get the joke), is that there’s almost always at least one article deserving of ridicule… Many state birds…

Putting It On The Line

Guest Post by Willis Eschenbach Thanks to an alert commenter, half of my last post was shown to be in error. Like most folks, I really, really hate to be publicly wrong, and of course I do my utmost to avoid it. But sometimes I overlook something, or my logical staircase is missing some steps,…

Pre- and Post-Feedback Sensitivity

Guest Post by Willis Eschenbach [UPDATE TWO: Rather than trying to cooper up the errors, I have simply removed the incorrect sections and left the calculation of the Planck feedback intact. I think that it is right … however, as events remind me too frequently … I could be wrong … ] [UPDATE: As Jan Kjetil Andersen…

The Lewis and Crok exposition – Climate less sensitive to Carbon Dioxide than most models suggest

Full papers plus additional comments from co-author Nic Lewis follow. I have added some relevant diagrams and tables from the report, plus reproduced the foreword by Dr. Judith Curry as well as updated the summary Equilibrium Climate Response Graph originally by Dr. Patrick Michaels to include this new ECS value and range. – Anthony NEW…

Chicken al la still not a king

The royal prince in waiting of Britain labels climate skeptics as “headless chickens”. From The Telegraph: Prince Charles has criticised climate change deniers, describing them as the “headless chicken brigade” during an awards ceremony recognising a leading young green entrepreneur. Charles, who has campaigned for years to reduce global warming, also spoke out against “the…

CO2 and CERES

Guest Post by Willis Eschenbach The Intergovernmental Panel on Climate Change, the bureaucratic agency which appropriated the role of arbiter of things climatic, has advanced a theory for the lack of warming since the turn of the century, viz: The observed reduction in warming trend over the period 1998–2012 as compared to the period 1951–2012,…

Climate Craziness of the Week: only the 'cooler' models are wrong – the rest say 4ºC of warming by 2100

From the University of New South Wales and Dr. Steven Sherwood: “Climate sceptics like to criticise climate models for getting things wrong, and we are the first to admit they are not perfect,” said Sherwood. “But what we are finding is that the mistakes are being made by the models which predict less warming, not…