Best Climate Change Temperatures

By Andy May I just gave an informal Zoom talk to a small group on measuring climate change through temperatures. The host, Dave Siegel, recorded it and has posted the…

National Review wins, Michael Mann loses!

By Andy May The D.C. Superior Court dismissed Michael Mann’s lawsuit against the National Review today in a definitive way. The National Review was sued by Mann over a blog…

The Texas Energy Disaster

By Andy May I live in Texas and write about climate science and energy, so I get a lot of questions about the recent problems. My wife and I are…

A Critique of Bill Gates’ New Book

By Andy May Bill Gates just published a new book, How to Avoid a Climate Disaster. He begins his book with the assertion that “To stop the warming and avoid…

CMIP6 and AR6, a preview

By Andy May The new IPCC report, abbreviated “AR6,” is due to come out between April 2021 (the Physical Science Basis) and June of 2022 (the Synthesis Report). I’ve purchased…

The problem with climate models

By Andy May In my last post, on Scafetta’s new millennial temperature reconstruction, I included the following sentence that caused a lot of controversy and discussion in the comments: “The…

A New Millennial Global Surface Temperature Reconstruction

By Andy May Nicola Scafetta has written a new paper (Scafetta, 2021) in Atmosphere on a new millennial surface temperature reconstruction. This is his latest “what if the models are…

Climate Model Failure

By Andy May On January 22, 2021, John Christy presented a new online talk to the Irish Climate Science Forum. The talk was arranged by Jim O’Brien. A summary of…

Adaptation is more profitable than mitigation

Clintel.org has just issued a nice press release about the idea of preparing to adapt to climate changes, rather than the more controversial idea of destroying the fossil fuel industry…

A New Look at the Urban Heat Island Effect

By Andy May Nicola Scafetta has just published a new paper in Climate Dynamics examining evidence of the urban heat island (UHI) effect (Scafetta, 2021). The paper is not paywalled…

The Rational Climate e-Book

By Andy May Patrice Poyet has just published a new 431-page eBook entitled, The Rational Climate e-Book, it is free to download here. Dr. Poyet studied geochemistry, remote sensing, and…

The CO2 Kink; Firn to Ice Transition

Guest Post by Renee Hannon Introduction This post examines CO2 data collected in Antarctic firn and its journey as firn transitions to ice where CO2 is eventually trapped in bubbles.…

Michael Mann’s 2008 Reconstruction

By Andy May In my last post, it was suggested that Michael Mann’s 2008 reconstruction (Mann, et al., 2008) was similar to Moberg’s 2005 (Moberg, Sonechkin, Holmgren, Datsenko, & Karlen,…

Changing Climate Debate History

By Andy May While researching my next book, I found a bit of interesting deception on the Intelligence Squared web site. This is the organization that hosted the famous March…

Why do the HadSST Sea-Surface Temperatures Trend Down?

By Andy May The simple answer is that the portion of the ocean, roughly 54%, that has HadSST values is getting cooler. But Nick Stokes doesn’t believe that. His idea…

Ocean Temperatures, what do we really know?

By Andy May This is the last in my current series of posts on ocean temperatures. In our previous posts we compared land-based measurements to sea-surface temperatures (SSTs) and discussed…

Sea-Surface Temperature Anomalies

By Andy May My previous post on sea-surface temperature (SST) differences between HadSST and ERSST generated a lively discussion. Some, this author included, asserted that the Hadley Centre HadSST record…

Sea-Surface Temperatures: Hadley Centre v. NOAA

By Andy May My last post compared actual sea-surface temperature (SST) estimates to one another to see how well they agreed. It was not a pretty sight; the various estimates…

The Ocean Mixed Layer, SST, and Climate Change

By Andy May As described in my previous post, the ocean “mixed layer” is sandwiched between the very thin “skin” layer at the ocean surface and the deep ocean. The…

Sea surface skin temperature

By Andy May In previous posts, see here and here, I’ve tried to show that because the oceans cover 71% of Earth and they contain 99% of the thermal energy…

Ocean Temperature Update

By Andy May A considerable amount of new information on ocean temperature has been gathered since I last wrote about the subject in 2016 here. In my last post on…

The U.S. National Temperature Index, is it based on data? Or corrections?

By Andy May The United States has a very dense population of weather stations, data from them is collected and processed by NOAA/NCEI to compute the National Temperature Index. The…

The Government Corruption of Science

Opinion by Andy May I wrote my latest book, Politics and Climate Change: A History, because I recognized that government funding of scientific research was corrupting science. We were warned…

The Paper that Blew it Up

By Andy May “If you can’t dazzle them with brilliance, baffle them with Bull…” W. C. Fields and, flying a bomber over Berlin. In late February 2015, Willie Soon was…