This startup grows kelp then sinks it to pull carbon from the air Carbon emissions are a huge contributor to climate change, so companies are getting creative about finding ways to suck the heat-trapping element out of the atmosphere and slow global warming. One Maine-based startup, Running Tide Technologies, is experimenting with farming kelp, a type of seaweed, in an effort to pull carbon from the air and store it deep beneath the ocean floor, potentially giving the world another nature-based tool to curb climate change. Running Tide Founder Marty Odlin, a Dartmouth graduate and engineer whose family includes generations of fishermen, is working with a team of engineers, software developers, oceanographers, maritime professionals, data scientists and hatchery technicians to bury