Takeaways:

  • Ecologists are finding that beavers play a vital part of a heathy river system and they could help protect landscapes from the impacts of climate change.
  • The dams the beavers built help prevent pollutants from flowing further down the water stream.
  • While the risk is that these pollutants might harm the beavers, their habitats are limited and to date the populations seems to be healthy and thriving.

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