Manure-Eating Worms Could Be the Dairy Industry’s Climate Solution

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Takeaways:

  • Royal Dairy in Washington has found a way to cut its nitrate pollution and lower its greenhouse gas emissions due to a new kind of wastewater filtration system powered by worms.
  • Every day, half a million gallons of farm wastewater is pumped through a bed of earthworms.
  • The worms will eat the liquid manure and remove nutrients and harmful chemicals.

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