Coby, I accept that I should not have said [in my previous blog post, which can be accessed by clicking here] that well mixed GHGs "presumably have a similar warming impact in both hemispheres" (Figure 11 of Hansen et al, third map down in right … [Read more...] about More ‘Dumb’ Questions from Ian Castles
Climate & Climate Change
New Zealand Contrarians to Audit IPCC?
According to the New Zealand Herald: "A group of leading climate scientists has announced the formation of the New Zealand Climate Science Coalition, aimed at refuting what it believes are unfounded claims about man-made global warming. "We believe … [Read more...] about New Zealand Contrarians to Audit IPCC?
Lots of Temperature Ups and Downs Over Last Six Centuries: Gabriele Hegerl
Climatologists at Duke University in the US have been running some simulations for the Northern Hemisphere and in their latest press release are suggesting that the higher range temperature scenarios are unlikely but nevertheless give a probability … [Read more...] about Lots of Temperature Ups and Downs Over Last Six Centuries: Gabriele Hegerl
Ian Castles on Unsatisfactory Explanations & Climate Modelling
Ian Castles commented earlier this evening that: According to the ‘passionate claim’ introducing this thread [C02 Drives Climate: Svante Arrhenius], "we have no alternative to the enhanced greenhouse effect, we have no alternative theory of … [Read more...] about Ian Castles on Unsatisfactory Explanations & Climate Modelling
C02 Drives Climate: Svante Arrhenius
"We have no alternative to the enhanced greenhouse effect, we have no alternative theory of atmospheric radiation, we have no explanation of the warming based on physically credible models, and we have no basis to believe the greenhouse effect … [Read more...] about C02 Drives Climate: Svante Arrhenius
Cooling, Not Warming by 2030: Bob Foster
Bob Foster, member of the Lavoisier Group and reader of this blog, claims the sun drives climate and the next little ice age will be in 2030. Following is an edited and illustrated extract from a longer piece at Warwick Hughes' blog, click … [Read more...] about Cooling, Not Warming by 2030: Bob Foster

Jennifer Marohasy BSc PhD is a critical thinker with expertise in the scientific method.
