Pilot Project Sends Kelp–and Carbon–to the Seafloor
Cars That Think
DECEMBER 21, 2023
Last January, in the waters off Cebu City in the Philippines, researchers first deployed a huge flexible ring seeded with seaweed and spanned by spokelike ropes and tubes. At daybreak, the cranks pull the ring back up to the surface to soak up sunlight and carbon dioxide. This article is part of our special report Top Tech 2024.
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