Is global warming a trick? That is what some saw in a huge batch of e-mails and documents taken from the servers of the Climate Research Unit (CRU) at the University of East Anglia, in England, and put up anonymously on the web. The result has been a field day for those sceptical of the idea of man-made climate change, who have combed through them, pouncing and pronouncing on snippets that seem to show scientific malfeasance.
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