An investigation by the National Science Foundation has found no evidence of wrongdoing or misconduct by Penn State climate-change researcher Michael Mann.
Mann, Penn State professor of meteorology, was the target of accusations from climate-change skeptics after thousands of e-mails exchanged between climate-change researchers were hacked from the University of East Anglia and made public.
Critics pointed to the e-mails as evidence that Mann and other scientists had hidden and manipulated data to bolster the argument for global warming.
The university was swamped with e-mails and calls criticizing Mann. Although no formal allegations were made, the university formed a panel of five faculty members to investigate the Mann’s conduct.
The panel found no evidence of research misconduct in three of the four areas it examined, including falsifying data and misusing confidential information. But it concluded that further investigation was needed into whether Mann did anything not in keeping with accepted practices for proposing, conducting or reporting research.
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