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March 9, 2021
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LAKE SUPERIOR CONFERENCE
(2007-10-31)
(wgvu) - SOME SCIENTISTS SAY DEVELOPMENT ALONG THE
SHORES OF LAKE SUPERIOR COULD BE THE GREATEST THREAT TO THE LAKE.
THEY SPOKE AT A CONFERENCE IN DULUTH, MINNESOTA.
THE SCIENTISTS SAY THAT POLLUTION, RISING TEMPERATURES AND
INVASIVE SPECIES ALSO THREATEN THE WORLD'S LARGEST FRESHWATER LAKE
AND ITS COLD, SENSITIVE ECOSYSTEM.
SEVERAL PARTICIPANTS SAY THE LAKE STILL IS IN GENERALLY GOOD
HEALTH.
FOR EXAMPLE, ONE RESEARCHER SAYS THAT MOST TOXIC POLLUTANTS IN
THE LAKE HAVE DECREASED IN RECENT YEARS.
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