https://www.sciencenews.org/article/sinking-mercury-light-based-reactions-destroy-toxic-chemical-arctic-lakes
Sinking Mercury: Light-based reactions destroy toxic chemical in Arctic lakes
Jun 12, 2023 - Sunlight triggers the entry of poisonous mercury into polar lakes, but it also removes most of the toxic compound before fish can consume it.
mercury lighttoxic chemicalsinkingbasedreactions