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…