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Kelp farming

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Sachiumi Heroes: A Seaweed-Powered Revival from the Ocean Floor

What if seaweed could help save the planet and revitalize the local economy? Meet Sachiumi Heroes, a marine restoration project in Yokohama’s Kanazawa Ward that turns kelp farming into an act of climate action and community empowerment. In Japan, a growing concern called iso-yake, underwater deserts caused by disappearing seaweed beds, has devastated marine ecosystems.…

Aug 5, 2025
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Regenerative Kelp Farming for Blue Carbon in Yokohama

Trees have the ability to absorb CO2, but did you know that kelp has similar powers too? Kelp can absorb five times as much CO2 as cedar, plus it can grow up to four meters in just four months! Such hidden powers didn’t get unnoticed by Sachiumi Heroes director Tatsunori Tomimoto. Since 2015, Tomimoto has…

Jun 11, 2022