Geochemistry: Mercury on the decline

Geochemistry: Mercury on the decline

Nature 474, 7351 (2011). doi:10.1038/474255a

A surprising drop in atmospheric mercury levels since the mid-1990s points to a substantial shift in the global biogeochemical cycle of the toxic element.A team led by Franz Slemr of the Max Planck Institute for Chemistry in Mainz, Germany, compared data from monitoring stations