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Farming seaweed
to feed the world

Photo Credits:

Randy Olson, The Nature Conservancy, Belize

Alf Pryor, Kodiak Kelp Co., Alaska

Scott Lindell, WHOI, Massachusetts

One of the most pressing questions facing humanity is how to feed and fuel the global population – projected to reach 10 billion by 2050 – without  destroying the planet in the process. The ANCIENT  MARINER* consortium

was founded to address ways of producing food and energy sustainably on a global scale using seaweed. 

*Alaska, Northeastern US and Caribbean Initiative Engaged in Novel Technologies for MacroAlgae Research Inspiring Novel Energy Resources

Scott and Korean abalone feed kelp.jpg

Photo: Paul Dobbins, World Wildlife Fund

UNH WHOI harvest 2019 copy.jpg

Photo: Matt Barton, WHOI

Seaweeds are “forests and fields” of the ocean with super powers for human and planetary health. They...


  • Require virtually NO inputs: NO freshwater, NO fertilizers, NO arable land! They only require “seeds,” seawater, sunlight and naturally available nutrients.


  • Promote human and animal dietary health: They contain calories, digestible micro-nutrients and compounds that can improve human and animal health.


  • Help fight climate change by absorbing CO2 and dampening wave action against the shore. They can be feedstock for the production of carbon-neutral biofuels.


  • Restore the ocean by absorbing excess nutrients, reducing ocean acidity, releasing oxygen, and providing habitat for fisheries.

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