![“Canada’s Unappreciated Water Sentinel” by André Martel from The Walrus Talks Water](https://walrus-assets.s3.amazonaws.com/img/CanadasUnappreciatedWaterSentinel-348x232.png)
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Canada’s Unappreciated Water Sentinel
“A mussel can filter two litres of water per hour…. That is an amazing service”
Read MoreFact-based journalism that sparks the Canadian conversation
“A mussel can filter two litres of water per hour…. That is an amazing service”
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