Climate & Climate Change

Dear Jennifer, A couple of weeks ago I became quite agitated after reading an article in The Australian’s Higher Education section by Roger Jones of CSIRO. Jones questioned the sceptics drawing attention to flaws in the computer models and then went … [Read more...] about Global Warming and Some Maths: A Note from William Kininmonth

Bishop Hill blog has put together the story of the Amman and Wahl paper that purported to support the 'hockey stick' reconstruction of paleoclimate, cited in IPCC AR4: There has been the most extraordinary series of postings at Climate Audit over … [Read more...] about The Story of the Caspar Amman Affair and the IPCC AR4 Paleoclimate Chapter

Two new papers examining the link between Hurricanes and climate have been published in the Journal of Climate. In the July edition, Gabriel A. Vecchi and Thomas R. Knutson have a paper entitled: 'On Estimates of Historical North Atlantic Tropical … [Read more...] about Two New Papers Examining the Hurricane-Climate Link

The Australian government is planning to introduce an emission’s trading scheme, also described as a carbon pollution reduction scheme, on the basis that that carbon dioxide from the burning of fossil fuels is contributing to dangerous global … [Read more...] about Causal Linkage between Carbon Dioxide and Global Warming (Part 3): Causal Criteria Still Wanting

On Sunday a colleague and I discussed the general issue of correlation versus causation in science. He suggested that 1. There must be a body of work establishing a causal link between anthropogenic carbon dioxide and warming, and also 2. Some work … [Read more...] about Causal Linkage between Carbon Dioxide and Global Warming (Part 2): Still Searching for Evidence

The following chart is largely self-explanatory: Red: The actual rise of atmospheric CO2 from 1966 to 2006 Pink: The actual rise of human emissions within that 40 year timeframe (starting point at 321 ppm for comparison) Blue: Human emissions … [Read more...] about We Aren’t Responsible for Rising Atmospheric Carbon Dioxide: A Note from Alan Siddons