A US blogger has caused a stir in the climate debate by forcing Nasa scientists to admit errors in some of their data showing increases in global warming.
Amateur meteorologist Steve McIntyre, who has in the past challenged “the hockey stick” model of climate change data used by green campaigners, emailed Nasa suggesting there were anomalies in their data.
Mr McIntyre noticed that analysts at some North American monitoring stations were recording unexpected trends in temperature patterns.
The Goddard Institute of Space Science (GISS) in New York found that this was caused by a switch between two sources of US temperature data and adjusted the figures.
via Telegraph
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