Professor Mark Green’s data cited

Professor Mark Green's data was the first piece of science cited in an industry letter to the Subcommittee on Oceans, Atmosphere, Fisheries, and Coast Guard on record at a hearing in Washington, D.C., on Earth Day. The subcommittee is part of the U.S. Senate Committee on Commerce, Science, and Transportation. Professor Green, a marine scientist, also signed the letter expressing concern about increasing ocean acidification.