Researchers collect blood, hair samples to study contaminants in northwestern Canada
Caribou is a dietary staple for people in Old Crow, northern Yukon, and that’s prompted researchers to take a closer
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Contaminants
Polar bears’ switch to land foods showing up in lowered mercury levels
For polar bears pushed to shore as summer sea ice vanishes, there appears to be a side benefit — mercury levels
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Fish show traces of banned pesticides in some Alaska parks
Traces of pesticides that were likely never used in Alaska and have — in some cases — long been outlawed
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