This month’s open thread on climate topics. El Niño coming (shades of 2023), competitive predictions, ill-advised geo-engineering ideas, and massive shifts in renewable energy roll out. Surely something there to discuss…
Climate Science
Unforced Variations: Apr 2026
A reflection on reflection
Confirmation bias and a profound lack of curiosity mark the latest ABC (Anything But Carbon) contrapalooza in DC this week and a decade-old albedo error trips them up.
[Read more…] about A reflection on reflectionSpencer’s Shenanigans: Part II
We previously highlighted Roy Spencer’s poor practices in comparing models with observations, but we’ve now dug down a little deeper, and it’s not pretty.
[Read more…] about Spencer’s Shenanigans: Part IIThe Puzzling Pleistocene
The mystery of why the last million or so years of glacial variability are so different to what came before just got more mysterious…
[Read more…] about The Puzzling PleistoceneHow robust is our accelerometer?
Guest commentary from Nathan Lenssen (Colorado School of Mines)
A new analysis of historical temperatures suggests that things are getting warmer faster, but what does it mean for the future?
[Read more…] about How robust is our accelerometer?Unforced Variations: Mar 2026
EPA’s final* ruling on CO2
The EPA has announced its final* ruling on the CO2 Endangerment Finding.
*not even close to final.
[Read more…] about EPA’s final* ruling on CO2The Climate Science reference they don’t want Judges to read
For the first time, the Federal Judicial Center (FJC) commissioned a chapter on climate science for the manual they put out (with the NASEM) for judges, the Reference on Scientific Evidence (4th Edition). This week, a month after it was published, they pulled the chapter out after being pressured by 27 Republican Attorneys General. You can nonetheless read it here.
[Read more…] about The Climate Science reference they don’t want Judges to readKoonin’s Continuing Calumnies
At a public event debating the DOE CWG report, Steve Koonin embarrasses himself further.
[Read more…] about Koonin’s Continuing Calumnies