Where does mercury in the Arctic environment come from, and how does it get there?

Berg, T.; Chételat, J.; Dastoor, A.; Douglas, T.; Durnford, D.; Goodsite, M.; Macdonald, R.; Muir, D.; Munthe, J.; Outridge, P.; Pacyna, J.; Ryzhkov, A.; Skov, H.; Steffen, A.; Sundseth, K.; Travnikov, O.; Wilson, S.; Wängberg, I.