Ocean carbon sequestration: The climate solution hiding in seaweed forests

How To Protect The Ocean · Jan 8, 2026 · 12m · transcript

Ocean carbon sequestration is failing because we are ignoring one of the ocean's most powerful climate allies, seaweed forests, and that blind spot could cost us precious time in the fight against climate change. This episode asks a simple but urgent question: how can one of the fastest-growing, most productive ecosystems on Earth still be missing from climate policy?

Seaweed blue carbon challenges everything we think we know about how the ocean stores carbon, because kelp forests do not lock carbon in place, they move it. Scientists are now tracking how seaweed captures carbon near the coast…