Farming the Sea: Why underwater farming may be the future of food

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Imagine a vertical underwater garden: seaweed and mussels grow on floating ropes, stacked above oyster and clam cages below. Imagine a farm designed to restore rather than deplete our oceans.

Underwater farming may become the future of food, thanks to commercial fisherman Bren Smith, who invented a sustainable way to produce seafood.

Why Underwater?

  1. More Biodiversity, Higher Yields

By using the entire food column, our farm model has the capacity to grow 20 tons of sea vegetables and 500,000 shellfish on each acre per year.

2. Zero Inputs

Since there is no need for fresh water, fertilizer, or pesticides, restorative ocean farming is the most sustainable form of food production on the planet.

3. Food Security

As a food crop, seaweed is rich in nutrients such as protein, calcium, and vitamin-C. Recent studies demonstrate that a network of seaweed farms the size of Washington State could produce all of the dietary protein needs of the human population.

4. Energy Security

According to the US Department of Energy, a network of farms totaling an area half the size of Maine could grow enough biofuel to replace all of the oil used in the US.

Learn more about the project and Smith, the executive director of GreenWave, in the video above.

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Video Credit: Patrick Mustain from Vimeo

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