New research fired laser beams on tiger snake scales, and found arsenic was 20-34 times higher in wild wetland snakes than in captive snakes.
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Protecting forests means protecting a rich biodiversity of plants, animals and the livelihoods of many people.
Historical gold mining at the Giant Mine near Yellowknife, N.W.T. released toxic arsenic into the environment. Snowshoe hares are showing signs of poisoning.
