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By Evan Lubofsky – Hakai Magazine – February 7, 2018
Seagrass meadows take up less than 0.1 percent of the world’s oceans; nevertheless, they are considered a huge carbon sink. Seagrass draws carbon dioxide out of the atmosphere, using it to fuel its own growth through photosynthesis. When the seagrass dies, much of this carbon is locked away in the sediment. Estimates from more than a decade of what’s called “blue carbon” research suggest seagrass beds store as much as 83,000 metric tonnes of carbon per square kilometer—three times as much as forests—and lock it away for millennia. These dramatic rates of carbon storage have caused scientists, conservationists, and others to champion seagrass beds as a way to mitigate climate change. But there’s one problem: the numbers may be wrong. Read full article here.

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