Pre-industrial atmospheric lead contamination detected in Swedish lake sediments

  title={Pre-industrial atmospheric lead contamination detected in Swedish lake sediments},
  author={Ingemar Renberg and Maria Wik Persson and Ove Emteryd},
DESPITE evidence from Greenland ice cores for pre-industrial atmospheric trace-metal contamination1,2 it is commonly assumed that air pollution in remote areas is a recent problem caused by industrial activities, fossil-fuel burning and emissions from motor vehicles. Here we report analyses of lake sediments from Sweden showing that atmospheric lead deposition increased above back-ground levels more than 2,600 years ago. There was a small, but marked lead deposition peak about 2,000 years ago… CONTINUE READING


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