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- Climate as a heat engine Sun, 29 Dec 13, 2:16amGuest 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 thermal energy, namely temperature, into mechanical...
- The ‘worse than we thought’ model Tue, 26 Nov 13, 12:02pmFrom 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 2 emissions....
- The reply to the ‘bad astronomer – Phil Plait’ that Slate.com refused to publish Wed, 25 Sep 13, 8:48amPhil Plait, who goes by the name of the “bad astronomer”, has now written three articles in Slate attacking two of my columns in the Wall Street Journal on the topic of climate change...
- Retro 3D climate model applied to faint young sun paradox Wed, 25 Sep 13, 4:01amFrom 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 was about 20 to 25 percent fainter than it...
- CO2 by the numbers: having the courage to do nothing Sun, 9 Jun 13, 1:05amGuest 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 increasing concentration,...
- By the numbers: having the courage to do nothing Sun, 9 Jun 13, 1:05amGuest essay by Ed Hoskins. Some simple numbers on the effect of CO2 concentration on temperature To understand exactly what might be achieved by political action for de-carbonisation the table below gives the likely warming,...
- The Met Office responds to Doug Keenan’s statistical significance issue Sat, 1 Jun 13, 3:15amBishop Hill reports that Doug Keenan’s article about statistical significance in the temperature records seems to have had a response from the Met Office...
- HadCRUt4: revision or revisionism? Tue, 28 May 13, 8:00pmGuest 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 the University of East Anglia...
- Wild claim from University of East Anglia Mon, 13 May 13, 9:30pmNo 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. That’s some ballsy certainty....
- The effectiveness of CO2 as a greenhouse gas becomes ever more marginal with greater concentration Thu, 9 May 13, 6:00amThe 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 effectiveness of CO2 as a greenhouse...
- On the scales of warming worry magnitudes–part 1 Tue, 16 Apr 13, 5:00amA 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 Mon, 28 Jan 13, 10:07amDr. Roy Spencer recently opined about his issue (which is different from UHI) in: Waste Heat as a Contributor to Observed Warming If we divide that by the surface area of the U.S. in meters, we get 0.33 watts per sq. …...
- One benefit of the Australian heat wave Thu, 17 Jan 13, 10:45pmStory 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 part of my anatomy earlier this year. Yes, it’s...
- A problem: nearly one third of CO2 emissions occured since 1998, and it hasn’t warmed Fri, 7 Dec 12, 2:30pmGuest 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 lead for emissions. A significant portion remains...
- The NAO seafood oscillation Sat, 7 Jul 12, 6:30amFigure 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...