Land
Fur trade a suspect in Minnesota monument mercury contamination
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How long does pollution linger? At Minnesota’s Grand Portage National Monument, high levels of toxic mercury may date back to the 1700s.
Land
The 40-year legacy of PBB in Michigan
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The public health impacts of an agricultural disaster in Michigan are still lingering 40 years later.
Water
Video: Pine River cleanup reaches milestone
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Removal of dam rids community of another ugly reminder of decades-long cleanup that is still ongoing.
Wildlife
Winged Wednesday: Quebec’s toxic gulls offer clues about flame retardants
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Scientists have found that not only are flame retardants present in the birds but could be damaging their health and reducing their population.
Wildlife
Contamination monitored with bird blood
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Scientists are measuring the contaminants in birds to track Great Lakes environmental trends and monitor the success of chemical cleanups.