In Greenland, mercury contamination was overrated

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In 2021, analyses announced a high level of mercury contamination of the island's glacier water, raising fears for the health of populations. New measurements suggest that its concentration is much lowerMeasuring traces of contamination in water is not an easy task. In July 2021, an article in Nature Geoscience hit the headlines. At the end of several measurement campaigns, carried out in 2012, 2015 and 2018, the authors, mostly American, claime…