Leo Elshof from Arcadia University in Nova Scotia* has written to me asking that I put a comedy disclaimer on the Skeptics Handbook, and otherwise threatens to ridicule me at international conferences and set the media onto me. The email is here and my reply is below. What have our universities sunk too? See Leo’s scorecard on logic and reasoning. […]
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November 26th, 2008 | Tags: Coercion, JoNova's Favourites, Logic & Reason, The Skeptics Handbook | Category: Global Warming, Logic & Reason |  Print This Post | | Science based ideas are falsifiable, whereas religious ones are not (thanks Karl Popper). The acid test for climate scientists: “What evidence would convince you that carbon was not significant?” […] October 30th, 2008 | Tags: Coercion, Evidence, Logic & Reason, Science | Category: AGW socio-political, Global Warming, Logic & Reason | Print This Post | | Evidence means observations, made by people at some time and place. Things you can see, hold, hear and record. Computer models are not, and can never be evidence. […] October 30th, 2008 | Tags: Evidence, Evidence (What is it?), Logic & Reason, Science | Category: Global Warming | Print This Post | | The gap between real world data and thermometers is a make-or-break issue for the AGW theory. The models predict a hot-spot in the atmosphere above the tropics, but the weather balloons (called radiosondes) can’t find any sign of it. Most claims that the hot-spot has been found are not providing any new data, they are just massaging the same old numbers with a different statistical tool. Here are three variations (though the third is not a statistical-spin, it’s just nonsense). 1–Some AGW supporters claim that Santer et al has found the hot-spot. But his paper boils downs to a statistical reanalysis that suggests that due to noise and error, the hot-spot might be there. Santer hasn’t actually found the missing hot spot. He has a case, but it’s not a strong one. The statistical counterargument is at Climate Audit. 5.5 out of 10 based on 10 ratings […] October 30th, 2008 | Tags: Evidence, Feedback, Hot Spot, JoNova's Favourites, Missing Hot Spot, Water Vapor | Category: Global Warming | Print This Post | | The ‘Hotspot’ is crucial to the climate debate. If greenhouses gases are warming the planet that warming will happen first in the cold blob of air 8-12 km above the tropics. It’s freezing cold up there, but it ought to be slightly less freezing cold thanks to greenhouse gases. All 20-odd climate models predict warming there first—it’s the fingerprint of greenhouse gas warming, as opposed to warming by some other cause, like solar magnetic effects, volcanic eruptions, solar irradiance, or ozone depletion etc etc.
Look at A above, the greenhouse gas fingerprint is markedly different from the rest and dominates the overall predicted pattern in graph F. The big problem for the believers of AGW is that years of radiosonde measurements can’t find any warming, as shown in part E of Figure 5.7 in section 5.5 on page 116 of the US CCSP 2006 report
8.7 out of 10 based on 38 ratings […] October 26th, 2008 | Tags: Evidence, Hot Spot, Missing Hot Spot, Santer (Ben), Sherwood (Steven) | Category: AGW socio-political, Global Warming | Print This Post | | Submission for Treasury Secretary, Ken Henry for Australia’s future tax system http://www.taxreview.treasury.gov.au/content/Content.aspx?doc=html/submissions.htm Regarding: the Emissions Trading Scheme, and any tax relating to carbon dioxide.
Before Australia commits to any tax the Australian people deserve to know that the taxation rules are based on the latest and best scientific evidence available. The evidence about climate change has changed dramatically since 2003. I was a committed believer that action was needed, but like many other scientists I have changed my mind. Please bear in mind that the theory of greenhouse gas emissions causing atmospheric warming is just that—a theory, and it has no empirical observable evidence to back it up.
The need for any carbon tax regime hinges on the question below:
10 out of 10 based on 3 ratings […] October 20th, 2008 | Tags: Emissions Trading Scheme | Category: Global Warming | Print This Post | | I want to lift the debate above the mud-slinging, pathetic ad hominem attacks, and specious argument by authority. The basic rules of logic and reasoning have been known since the Greeks. Educated adults ought to do better. Maybe one day, national curriculums will too. […] September 30th, 2008 | Tags: Evidence, The Skeptics Handbook | Category: Global Warming | Print This Post | | |
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