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Lomborg makes unnecessary concessions
Professor Lomborg substantially weakens his argument by making at the outset an unnecessary concession to the alarmists; namely that 'The global average temperature has increased by 0.6 degrees Celsius over the past century, and it is likely that this is partly due to an anthropogenic (man-made) greenhouse effect'. First, it is far from clear that this figure is anything other than a statistical quirk. Many well-maintained monitoring stations throughout the world do not show this effect, and indeed some show an actual decrease. Second, even if true, such an observation would not be unexpected, since the Earth has not yet returned to the benign temperatures that occurred before the Little Ice Age. Third, carbon dioxide is a minor greenhouse gas, dwarfed by water vapour. Fourth, the worthlessness of the computer models cannot be over-emphasised. I have been modelling with computers for over 40 years and would not even contemplate beginning to try to model the climate on the information so far available concerning the interactive mechanisms involved.

John Brignell, UK

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Professor Bjørn Lomborg
Author of The Skeptical Environmentalist
Dr Mike Hulme
Tyndall Centre for Climate Change Research at the University of East Anglia
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Useful resources
Climate change: scientific certainties and uncertainties

Climate change 2001: the scientific basis

UK government publications on climate change
Department of Environment, Transport and the Regions

Guide to the New Kyoto Rulebook
Lycos News

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