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Real Climate

  • Free speech and academic freedom - Update: Some related concerns from deepclimate.org, if these claims can be verified. In a recent interview for a Norwegian magazine (Teknisk Ukeblad, 0412), the IPCC chair Rajendra Kumar Pachauri told the journalist that he had received death threats in connection with his role as a head for the IPCC. There have also been recent reports [...]
  • 2011 Updates to model-data comparisons - And so it goes – another year, another annual data point. As has become a habit (2009, 2010), here is a brief overview and update of some of the most relevant model/data comparisons. We include the standard comparisons of surface temperatures, sea ice and ocean heat content to the AR4 and 1988 Hansen et al [...]
  • Global Temperatures, Volcanic Eruptions, and Trees that Didn’t Bark - My co-authors and I have just published an article in Nature Geoscience (advance online publication here; associated press release here) which seeks to explain certain enigmatic features of tree-ring reconstructions of Northern Hemisphere (NH) temperatures of the past millennium. Most notable is the virtual absence of cooling in the tree-ring reconstructions during what ice core [...]
  • So What’s A Teacher to Do? - Guest Commentary by Eugenie Scott, National Center for Science Education Imagine you’re a middle-school science teacher, and you get to the section of the course where you’re to talk about climate change. You mention the “C” words, and two students walk out of the class. Or you mention global warming and a hand shoots up. [...]
  • Unforced Variations: February 2012 - This month’s open thread. Current topics are focused on the laughingly bad Daily Mail article by David Rose, the fallout from the Wall Street Journal’s latest regurgitation of why no-one should ever do anything ever. And perhaps someone might want to audit some of David Whitehouse’s arithmetic and reading comprehension… Or anything else. Within reason.
  • The AR4 attribution statement - What the IPCC AR4 attribution statement meant for the anthropogenic contribution to recent global warming.
  • “Vision Prize”, an online poll of scientists about climate risk - A group of researchers at Carnegie Mellon University is trying to get a better understanding of the views of earth scientists regarding various climate change topics. They have set up an ongoing poll to do this, called Vision Prize. It’s a short (10 question) poll, covering topics like the rate of CO2 increase, predicted future [...]
  • The dog is the weather - Update January 27: There is also another recent dog-based animations from Victoria (southeast Australia) explaining some of the key drivers of our climate and how some are changing. A TV series that ran on Norwegian TV (NRK) last year included a simple and fun cartoon that demonstrates some important concepts relative to weather and climate: [...]
  • Open Climate 101 Online - Almost 3000 non-science major undergraduates at the University of Chicago have taken PHSC13400, Global Warming: Understanding the Forecast, since Ray Pierrehumbert and I (David Archer) first developed it back in 1995. Since the publication of the textbook for the class in 2005 (and a much-cleaned-up 2nd edition now shipping), enrollment has gone through the roof, [...]
  • An online model of methane in the atmosphere - I’ve put together an easy-to-play-with online model of methane in the atmosphere. I’m going to use it for teaching along with the rest of the Understanding the Forecast webmodels, but it was designed to be relevant to the issue of abrupt new methane burps as we’ve been ruminating about lately on Realclimate. The model runs [...]

Climate Depot

Climate Skeptic

  • Who Wrote the Fake Heartland Strategy Memo? - Certainly Peter Gleick is still in the running. But as I wrote in Forbes last week, the memo does not have the feel of having been written by a “player” like Gleick.  It feels like someone younger, someone more likely to take the cynical political knife-fighting statements of someone like Glieck (e.g. skeptics are anti-science) [...]
  • Peter Gleick Admits to Stealing Heartland Documents - I have an updated article at Forbes.  A small excerpt In a written statement, Peter Gleick of the Pacific Institute, and vocal advocate of catastrophic man-made global warming theory, has admitted to obtaining certain Heartland Institute internal documents under false premises, and then forwarding these documents to bloggers who were eager to publish them. Gleick (also [...]
  • Heartland Documents: Whose Biases are Being Revealed Here? - I could not resist commenting on the brouhaha around the stolen Heartland Institute documents in my column at Forbes.  The key one that is the “smoking gun” now appears to be fake.  I wrote in part: One reason I am fairly certain the document is fake is this line from the supposed skeptic strategy document: His [...]
  • Overview of the Global Warming Debate - I know I have been dormant on this site of late (the perils of having a day job), but I have been thinking about and working for a while on a way to clearly portray the basic outlines of the global warming debate. I hope you will check it out in this article posted today [...]
  • In Honor of Today’s Gore-fest - Al Gore is doing his best Jerry Lewis imitation by holding an all day climate telethon today.  In honor of this, let me repost my climate video for those who have not seen it. Catastrophe Denied: The Science of the Skeptics Position (studio version) from Warren Meyer on Vimeo. Other viewing options, as well as links to [...]
  • Insights on Climate Science, From Economics - I continue to be fascinated by parallels between climate science and economics.  In the past, I have mainly discussed how climate models have the same problems and abuses and shortcomings as macro-economic models. I thought this post discussing Keynesian economics could easily been written about climate: No small part of Keynes’s (and the Keynesians’s) success [...]
  • We Had Flood Before Anthropogenic CO2? - 1910 Paris flood pictures. I absolutely guarantee if this happened today it would be blamed on fossil fuel combustion.
  • Why Are Skeptics Piling on Irene Forecasters? - I am totally confused why a number of skeptic sites are piling on Irene forecasters who over-estimated the storm’s destructiveness.   Somehow, these sites seem to conflate alarm over Irene with alarm over global warming, and thus false Irene alarm somehow reduces the believeability of global warming forecasts. This makes no sense.  Yes, the topics [...]
  • Did CLOUD Just Rain on the Global Warming Parade? - Today in Forbes, I have an article bringing the layman up to speed on Henrik Svensmark and this theory of cosmic ray cloud seeding.  Since his theory helped explain some 20th century warming via natural effects rather than anthropogenic ones, he and fellow researchers have face an uphill climb even getting funding to test his [...]
  • Go Easy on the Polar Bear Fraud - The skeptic side of the blogosphere is all agog over the academic investigation into Charles Monnett, the man of drowning polar bear fame.  The speculation is that the investigation is about the original polar bear report in 2006.  A couple of thoughts If you read between the lines in the news articles, we really have [...]

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