Scientists identify and count tiny plastic particles in Lake Superior - Duluth News Tribune independantexpress.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from independantexpress.com Daily Mail and Mail on Sunday newspapers.
Researchers say this kind of algae does not produce harmful toxins, but they worry its eventual die-off could lead to low oxygen levels that have preceded large fish and shellfish kills in other areas.
Researchers say this kind of algae does not produce harmful toxins, but they worry its eventual die-off could lead to low oxygen levels that have preceded large fish and shellfish kills in other areas.