It’s official! You can stop worrying about “climate change” effects on the polar bears, seals, and walrus – they’ve seen it all before, including ice-free summers

Paleoclimate + genetic study confirms: Arctic species adapted to sea ice changes Guest essay by Dr. Susan Crockford A new paper that combines paleoclimatology data for the last 56 million years with molecular genetic evidence concludes there were no biological extinctions over the last 1.5M years despite profound Arctic sea ice changes that included ice-free summers:…

El Niño shortens the Pause by just one month

No global warming at all for 18 years 8 months By Christopher Monckton of Brenchley The Paris agreement is more dangerous than it appears. Though the secession clause that this column has argued for was inserted into the second draft and remained in the final text, the zombies who have replaced the diplomatic negotiators of…

Appraising Marvel et al.: Implications of forcing efficacies for climate sensitivity estimates

Guest essay by Nicholas Lewis Summary – Different agents may have effects on global temperature (GMST) different to those which would be expected simply by reference to the radiative forcing they exert. This difference is encapsulated in the term “forcing efficacy”. In their recent paper, Marvel et al. estimate efficacies for various forcings from climate simulations…