Good find. Makes sense.
By Paul Homewood
We’ve been discussing the sudden rise in UK and European temperatures in the 1990s, and I was reminded about a study undertaken by Clive Best and Euan Mearns looking at the role of cloud cover four years ago:
Clouds have a net average cooling effect on the earth’s climate. Climate models assume that changes in cloud cover are a feedback response to CO2 warming. Is this assumption valid? Following a study with Euan Mearns showing a strong correlation in UK temperatures with clouds, we looked at the global effects of clouds by developing a combined cloud and CO2 forcing model to sudy how variations in both cloud cover  and CO2  data affect global temperature anomalies between 1983 and 2008. The model as described below gives a good fit to HADCRUT4 data with a Transient Climate Response (TCR )= 1.6±0.3°C. The 17-year hiatus in…
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When the journal “Science” prints a study doubting CO2 sensitivity, or basically, the effect that man-made CO2 has on the temperature of the atmosphere, you can be 100% sure that the “science” of climate change is most definitely not “settled”!
By David Kreutzer, Ph.D. ~
Last summer, the editor of Science wrote a commentary on climate change where she said “The time for debate has ended.”
After appealing to policies based on economic knowledge she doesn’t have, she finished with speculation as to which ring of Dante’s Inferno would God designate for climate skeptics.
U.S. Secretary of State John Kerry with former Vice President Al Gore at the Paris Climate Conference. (Photo: State Department/Sipa USA/Newscom)
All in all, it was an awesomely unscientific tour de farce and totally depressing in that it came from one of the world’s two most prestigious science journals.
Of course the time for debate hasn’t ended—especially for the meaningful debate concerning how much impact carbon dioxide has on global warming.
The relationship under debate is how much warming will the world see from a doubling of carbon dioxide—which is called the equilibrium climate sensitivity.
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