No single artefact did more to launch the climate change scare than Professor Michael E Mann’s famous – or should that be infamous? – 1998 hockey stick graph, showing an unprecedented and sudden rise in global warming. Widely criticised on many counts it is again under fire, in a Washington courtroom drama significant for both free speech and climate science.
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As the US decides, so can you
Subscribe today and get a $50 Amazon gift card if you correctly predict the next US president.
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