The other question is, is the source China? It wouldn’t be surprising if it were... And if that’s the case China needs to reduce their mercury pollution, not the rest of the world.
The smokestacks of our factories are clean rooms compared to what the Chinese spew, but the environmental wackos say nary a word about the Chicoms. We all know why—the wackos are leftists whose agenda is political, not environmental. The Chicoms are their comrades; we're their enemies.
Are you talking about the China which would be exempt from the Kyoto protocols even if all parties signed? That China?