The trade of mercury is dictated by the , a global treaty designed to protect human health and the environment. Under this treaty:
Many countries, including the U.S. and those in the EU, have enacted strict bans on the export of elemental mercury to prevent it from being used in unregulated mining operations abroad.
Today, the most significant "buy and sell" activity involving mercury isn't in new mining, but in . Specialized waste management companies "buy" (or are paid to take) mercury-containing waste—like old dental amalgam or industrial sludge—and process it to reclaim the mercury. This reclaimed mercury is then either sold for permitted industrial use or sequestered in long-term storage to keep it out of the global supply chain. Conclusion