In this Wednesday, Nov. 4, 2015, photo, aquaculturist and entrepreneur Tollef Olsen inspects kelp growing in a beaker at a lab at the University of New England in Biddeford, Maine. The school’s new Macroalgae Nursery and Research Cluster rears sugar kelp that can then be transferred to experimental or commercial farms in coastal Maine waters. (AP Photo/Robert F. Bukaty)