Dan Riskin on how caterpillars create lake pollution

Canadians are familiar with caterpillar outbreaks, but as Dan Riskin reports, they may not know about how the outbreaks can impact lakes.

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18 comments

  1. Perhaps the scientists should look for any possible benefits to this natural cycle. Not all things are pollution.

  2. So there is nature taking its course. I love the way they used the word pollution in the title. Who is the a-hole who wrote that

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