Guest essay by Jan Kjetil Andersen As Willis describes in his article on December 21, the atmosphere can be seen as a gigantic heat engine, i.e. a machine which convert…
Tag: Celsius
The 'worse than we thought' model
From ETH Zurich: Underestimated future climate change? 25.11.2013 | Fabio Bergamin New model calculations by ETH researcher Thomas Frölicher show that global warming may continue after a stoppage of CO…
The reply to the 'bad astronomer – Phil Plait' that Slate.com refused to publish
Guest essay by Dr. Matt Ridley Phil Plait, who goes by the name of the “bad astronomer”, has now written three articles in Slate attacking two of my columns in…
Retro 3D climate model applied to faint young sun paradox
From the AGU weekly highlights: Evaluating solutions to the faint young Sun problem During the Archean eon, between about 3.8 billion years ago and 2.5 billion years ago, the Sun…
CO2 by the numbers: having the courage to do nothing
Guest essay by Ed Hoskins. Some simple numbers on the effect of CO2 concentration on temperature As the temperature increasing effect of atmospheric CO2 is known to diminish logarithmically with…
The Met Office responds to Doug Keenan's statistical significance issue
Bishop Hill reports that Doug Keenan’s article about statistical significance in the temperature records seems to have had a response from the Met Office. WUWT readers may recall our story…
HadCRUt4: revision or revisionism?
Guest essay by Christopher Monckton of Brenchley As Bob Tisdale has recently pointed out, the monthly temperature anomaly series published by the Hadley Centre and the Climatic Research Unit at…
Wild claim from University of East Anglia
No mays, coulds, or mights here in this press release headline from UEA. They say “will“. As usual, they assume nature so poorly equipped her creations that they can’t adapt.…
The effectiveness of CO2 as a greenhouse gas becomes ever more marginal with greater concentration
The political target of limiting the effect of Man-made global warming to only +2⁰C can never be attained. Guest essay by Ed Hoskins According to well understood physical parameters, the…
On the scales of warming worry magnitudes–part 1
A few weeks after my paper came out I have received quite unexpected but greatly appreciated offer from Anthony to write a summary of the paper for his blog site.…
Waste heat – a bigger climate effect than once thought
Dr. Roy Spencer recently opined about this issue (which is different from UHI) in: Waste Heat as a Contributor to Observed Warming If we divide that by the surface area of…
One benefit of the Australian heat wave
Story submitted by Eric Worrall At least one Australian is not unhappy at the country’s recent hot spell. The following is a picture of something I pulled off a private…
A problem: nearly one third of CO2 emissions occured since 1998, and it hasn't warmed
Guest post by Tom Fuller The physics behind the theory of global warming are solid. CO2 is a greenhouse gas, we’re emitting industrial levels of it, with China now in…
The NAO seafood oscillation
Figure 1A, Changes in Jet Streams due to Negative and Positive North Atlantic Oscillation (Source: http://www.climatewatch.noaa.gov/wp-content/uploads/2010/03/NAO_Schematic.png) ScientificAmerican Headline: Warming Oceans Means Seafood Menu Changes Guest post by Bob Tisdale ScientificAmerican recently…
A student in despair over Romm's 11°F temperature increase article – if this comment was reversed, it would be called a 'death threat'
UPDATE: 5/30 8:45AM After we pointed it out Romm has now snipped the ugly part of the comment seen in the screencap below, it only took him five days to…
Modeling in the red
From an Ohio State University press release where they see a lot of red, and little else, yet another warm certainty model: STATISTICAL ANALYSIS PROJECTS FUTURE TEMPERATURES IN NORTH AMERICA…
The Met Office COPing response
Willis Eschenbach notes that the COP predictions from the Met Office, which I highlighted here, are all over the road. He writes: In the most recent one, they didn’t make…
300 soundings from 19th century compared to Argo data
From the University of California – San Diego Scripps Institute, you gotta love the subheading in this PR. I didn’t know robots could travel back in time. Gosh, I learn something new…
Gosh, really?
From the Potsdam Institute for Climate Impact Research (PIK) some “could be might be” research with a possible conclusion. I wonder why there doesn’t seem to be evidence for a…
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