Sewage released into Lake Ontario near Toronto’s popular harbor area is still a problem, according to a recently released report.
Plastic trash is littering the land and fouling rivers and oceans. But what we can see is only a small fraction of what's out there. Since modern plastic was first mass-produced, 8 billion tons have been manufactured. And when it's thrown away, it doesn't just disappear. Much of it crumbles into small pieces. Scientists call the tiny pieces "microplastics" and define them as objects smaller than 5 millimeters — about the size of one of the letters on a computer keyboard. Researchers started...
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Scientists predict a significant harmful algae bloom for western Lake Erie this year. The forecast, a joint effort between the National Oceanic and Atmospheric Administration, Heidelberg University and other partners, predicts a bloom severity of six on a 10-point scale. That would be better than last year , but worse than 2016.