Off the coast of Catalina Island near Los Angeles, a prototype of a new “kelp elevator”–a long tube with seaweed growing on it that can be moved up and down in the water to access sunlight and nutrients–will soon begin tests.
Off the coast of Catalina Island near Los Angeles, a prototype of a new “kelp elevator”–a long tube with seaweed growing on it that can be moved up and down in the water to access sunlight and nutrients–will soon begin tests.