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September 18, 2019 at 8:12 pm
#195907
hmhellen
Participant
I agree that substitutes are unreliable and we have no guarantee of finding them in the future. Like in the case of aquaculture. It tends to be a poor substitute for wild-caught salmon. If we continue to use up resources I think we’ll have to turn towards using materials that are poor substitutes for what we had in the past.