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Real Climate

  • Rossby waves and surface weather extremes - A new study by Screen and Simmonds demonstrates the statistical connection between high-amplitude planetary waves in the atmosphere and extreme weather events on the ground. Guest post by Dim Coumou There has been an ongoing debate, both in and outside the scientific community, whether rapid climate change in the Arctic might affect circulation patterns in […]
  • Release of the International Surface Temperature Initiative’s (ISTI’s) Global Land Surface Databank, an expanded set of fundamental surface temperature records - Guest post by Jared Rennie, Cooperative Institute for Climate and Satellites, North Carolina on behalf of the databank working group of the International Surface Temperature Initiative In the 21st Century, when multi-billion dollar decisions are being made to mitigate and adapt to climate change, society rightly expects openness and transparency in climate science to enable […]
  • Unforced variations: July 2014 - This month’s open thread. Topics of potential interest: The successful OCO-2 launch, continuing likelihood of an El Niño event this fall, predictions of the September Arctic sea ice minimum, Antarctic sea ice excursions, stochastic elements in climate models etc. Just for a change, no discussion of mitigation efforts please!
  • Unforced variations: June 2014 - June is the month when the Arctic Sea Ice outlook gets going, when the EPA releases its rules on power plant CO2 emissions, and when, hopefully, commenters can get back to actually having constructive and respectful conversations about climate science (and not nuclear energy, impending apocalypsi (pl) or how terrible everyone else is). Thanks.
  • El Niño or Bust - Guest commentary from Michelle L’Heureux, NOAA Climate Prediction Center Much media attention has been directed at the possibility of an El Niño brewing this year. Many outlets have drawn comparison with the 1997-98 super El Niño. So, what are the odds that El Niño will occur? And if it does, how strong will it be? […]
  • Unforced variations: May 2014 - This month’s open thread. In order to give everyone a break, no discussion of mitigation options this month – that has been done to death in previous threads. Anything related to climate science is totally fine: Carbon dioxide levels maybe, or TED talks perhaps…
  • Faking it - Every so often contrarians post old newspaper quotes with the implication that nothing being talked about now is unprecedented or even unusual. And frankly, there are lots of old articles that get things wrong, are sensationalist or made predictions without a solid basis. And those are just the articles about the economy. However, there are […]
  • Nenana Ice Classic: Update - Somewhat randomly, my thoughts turned to the Nenana Ice Classic this evening, only to find that the ice break up had only just occurred (3:48 pm Alaskan Standard Time, April 25). This is quite early (the 7th earliest date, regardless of details associated with the vernal equinox or leap year issues), though perhaps unsurprising after […]
  • Labels for climate data - “These results are quite strange”, my colleague told me. He analysed some of the recent climate model results from an experiment known by the cryptic name ‘CMIP5‘. It turned out that the results were ok, but we had made an error when reading and processing the model output. The particular climate model that initially gave […]
  • Mitigation of Climate Change – Part 3 of the new IPCC report -       Guest post by Brigitte Knopf             Global emissions continue to rise further and this is in the first place due to economic growth and to a lesser extent to population growth. To achieve climate protection, fossil power generation without CCS has to be phased out almost entirely […]

Climate Depot

Climate Skeptic

  • Computer Models as “Evidence” - Cross-posted from Coyoteblog The BBC has decided not to every talk to climate skeptics again, in part based on the “evidence” of computer modelling Climate change skeptics are being banned from BBC News, according to a new report, for fear of misinforming people and to create more of a “balance” when discussing man-made climate change. The latest […]
  • Another Plea to Global Warming Alarmists on the Phrase “Climate Denier” - Cross-posted from Coyoteblog Stop calling me and other skeptics “climate deniers“.  No one denies that there is a climate.  It is a stupid phrase. I am willing, even at the risk of the obvious parallel that is being drawn to the Holocaust deniers, to accept the “denier” label, but it has to be attached to […]
  • My Thoughts on Steven Goddard and His Fabricated Temperature Data Claim - Cross-posted from Coyote Blog. Steven Goddard of the Real Science blog has a study that claims that US real temperature data is being replaced by fabricated data.  Christopher Booker has a sympathetic overview of the claims. I believe that there is both wheat and chaff in this claim, and I would like to try to […]
  • The Thought Experiment That First Made Me A Climate Skeptic - Please check out my Forbes post today.  Here is how it begins: Last night, the accumulated years of being called an evil-Koch-funded-anti-science-tobacco-lawyer-Holocaust-Denier finally caught up with me.  I wrote something like 3000 words of indignation about climate alarmists corrupting the very definition of science by declaring their work “settled”, answering difficult scientific questions with the […]
  • Explaining the Flaw in Kevin Drum’s (and Apparently Science Magazine’s) Climate Chart - Cross-Posted from Coyoteblog I won’t repeat the analysis, you need to see it here.  Here is the chart in question: My argument is that the smoothing and relatively low sampling intervals in the early data very likely mask variations similar to what we are seeing in the last 100 years — ie they greatly exaggerate […]
  • If You Don’t Like People Saying That Climate Science is Absurd, Stop Publishing Absurd Un-Scientific Charts - Reprinted from Coyoteblog science a “myth”.  As is usual for global warming supporters, he wraps himself in the mantle of science while implying that those who don’t toe the line on the declared consensus are somehow anti-science. Readers will know that as a lukewarmer, I have as little patience with outright CO2 warming deniers as […]
  • Update On My Climate Model (Spoiler: It’s Doing a Lot Better than the Pros) - Cross posted from Coyoteblog In this post, I want to discuss my just-for-fun model of global temperatures I developed 6 years ago.  But more importantly, I am going to come back to some lessons about natural climate drivers and historic temperature trends that should have great relevance to the upcoming IPCC report. In 2007, for […]
  • Climate Goundhog Day - I posted something like this over at my other blog but I suppose I should post it here as well.  Folks ask me why I have not been blogging much here on climate, and the reason is that is has just gotten too repetitive.  It is like the movie Groundhog Day, with the same flawed […]
  • Amherst, MA Presentation, March 7 - I will be rolling out version 3.0 of my presentation on climate that has already been around the Internet and back a couple of times.  Called “Don’t Panic:  The Science of the Climate Skeptic Position”, it will be given at 7PM in the Pruyne Lecture Hall at Amherst College on March 7, 2013.  Come by […]
  • Climate De-Bait and Switch - Dealing with facile arguments that are supposedly perfect refutations of the climate skeptics’ position is a full-time job akin to cleaning the Augean Stables.  A few weeks ago Kevin Drum argued that global warming added 3 inches to Sandy’s 14-foot storm surge, which he said was an argument that totally refuted skeptics and justified massive government […]

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