Seaweed Farming Absorbs CO2 But May Deplete Ocean Nutrients and Backfire
Several start-ups are growing seaweed as a natural carbon dioxide removal technique, but research warns the approach could backfire. Large-scale seaweed farming may strip vital nutrients from the ocean, undermining other natural CO2-absorbing processes already underway. The net result could potentially release more carbon than it captures, defeating the climate purpose entirely.
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