Spiegel: Are Climate Scientists Being Forced to Toe the Line?

• A Heated Debate: Are Climate Scientists Being Forced to Toe the Line? 
  by Axel Bojanowski, http://www.spiegel.de/ 
  After joining a controversial lobby group critical of climate change, meteorologist Lennart Bengtsson claims he was shunned by colleagues, leading him to quit. Some scientists complain pressure to conform to consensus opinion has become a serious hindrance in the field.
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  News that Lennart Bengtsson, the respected former director of Germany’s Max Planck Institute for Meteorology, had joined the Global Warming Policy Foundation (GWPF), sent shockwaves through the climate research community. GWPF is most notable for its skepticism about climate change and its efforts to undermine the position of the United Nations Intergovernmental Panel on Climate Change (IPCC). The tremors his decision sent through the scientific community shocked Bengtsson.
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  The scientist said colleagues placed so much pressure on him after joining GWPF that he withdrew from the group out of fear for his own health. Bengtsson added that his treatment had been reminiscent of the persecution of suspected Communists in the United States during the era of McCarthyism in the 1950s.
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  Not all of his fellow climatologists agree. Gavin Schmidt a climatologist and climate modeler at NASA described the “alleged connection to McCarthy” as “ridiculous.” “As someone who has actually been threatened with criminal sanctions by a United States Senator only because of published science, I don’t quite see why Bengtsson’s total freedom to associate with anyone he wants — and let me be clear, he has this freedom — has in any way been compromised,” he said.
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  But Bengtsson insists that even close colleagues shunned him. He says that one research partner, apparently fearing damage to his reputation, withdrew from a study they had been conducting together. Bengtsson added no further details other than to state that the incident had been hurtful.
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