Seaweed Farming and Climate Change

  Algae Europe December 2022

F​​​​​​rom food to cosmetics, seaweed has a lot of uses — but as we are learning, seaweed farming can also help fight climate change. On this episode of One Small Step, the outlet visits the Connecticut coast to learn about how one woman has launched her seaweed farming business, the future of seaweed aquaculture, and how it can help reverse climate change.

Suzie Flores and her husband Jay grow food-grade sugar kelp at Stonington Kelp Co. off the coast of Connecticut. They sell this seaweed to local restaurants and shops using a system with ropes that requires zero inputs like fertilizer. As it grows, the kelp absorbs carbon and nitrogen from the water and turns it into a nutrient-dense food.

Not only can seaweed farming increase food security, but it can also sequester carbon. 132 countries around the world have the conditions to start seaweed aquaculture off their coasts. But only 37 currently do so.

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