Researchers use “ocean elevators” to grow giant sea kelp – a promising source of biofuel

(Natural News) Researchers made a makeshift “elevator” in the ocean to grow giant kelp, the world’s biggest species of marine algae and a promising source of biofuel. The researchers explained that giant kelp needs to be moved up and down the ocean column every day to thrive. “The key idea is moving kelp stocks daily up to…  » READ MORE