NPR: A Maine Startup Wants To Pull Carbon Out Of The Atmosphere Using Kelp. A Maine startup is drawing high-profile support for its low-tech plan to address climate change. It wants to use kelp farms to capture carbon, then bury it for millennia at the bottom of the sea. In the race to stall or even reverse global warming, there are new efforts to pull carbon dioxide out of the air and put it somewhere safe. One startup in Maine has a vision that’s getting attention from scientists and investors – bury massive amounts of seaweed at the bottom of the sea. Now, why will that help? Maine Public Radio’s Fred Bever explains.