Climate change may increase mercury levels in seals used as food in North: study - Canada - Canoe.ca

In years when the ice cover is heavy, only the older cod survive. That means that the only cod available to the seals are the ones with relatively high mercury levels, says Stern.

"If you have more ice you have higher concentrations and if you have less ice you have higher concentrations."

Fraudulent claim: Climate change 'cultural genocide' for Aborigines

Rising sea levels and soaring temperatures would make their homelands uninhabitable, severing spiritual links and laying waste to the environment, according to the commission's annual Native Title Report.