> … is a climate change denialist It would be nice if Hacker News could avoid the worst abuses of language that happens in public debate. 1) Climate has alway

> … is a climate change denialist It would be nice if Hacker News could avoid the worst abuses of language that happens in public debate. 1) Climate has always and will always be 'changing'. It is a dynamic, not static, system. 2) No one denies that climate changes so 'climate change denialists' is the empty set. 3) To dispute the theory of 'catastrophic anthropogenic global warming' is not the same as denying 'warming', 'global warming' or even 'anthropogenic global warming'. It is only when you add in the 'catastrophic' part (which comes from the magnitude of the predicted positive feedbacks in global climate models) that you enter into the realm of serious disputes. 4) There is considerable evidence that there has been no statistically significant global warming for the last 20 years (anthropogenic or not) and even more evidence that the magnitude of the positive feedback included in the 'catastrophic anthropogenic global warming' models is much smaller than previously assumed. 5) If the climate models only match actual temperatures by lowering the postive feedbacks in the models then they are probably no longer predicting catastrophic warming.