The Other Weed: Is Seaweed a Carbon Negative Cash Crop?

September 28, 2018

I’ll have the hemp and seaweed salad.

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6 Responses to “The Other Weed: Is Seaweed a Carbon Negative Cash Crop?”

  1. a-rogers Says:

    Actually seaweed salad is very nutritious and tasty. Have you ever had it?

    ann

  2. Keith McClary Says:

    I don’t see how this is “carbon negative”. True, it is removing carbon from the oceans, but the carbon will ultimately be released to the atmosphere in the same way as any land based agricultural crop.

    • greenman3610 Says:

      have the same question, which I don’t think the video answers, but I can imagine, for instance, if seaweed were used as an addition to agricultural fields, as many cultures have done, it could sequester carbon in soils. There may be other routes.

    • rhymeswithgoalie Says:

      There is some value to even temporary storage* of carbon, acting as a delay buffer in the system. Even if it’s carbon neutral, there may be local environmental benefit from reducing carbonic acid (ocean acidification).
      _____
      *I often wonder how man generations of pine tree crops are “sequestered” in A-frame housing in the US.


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