09 - 24 - 15 Author David Helvarg
David Helvarg is an author and Executive Director of Blue Frontier, an ocean conservation and policy group (www.bluefront.org). He has written six books, Blue Frontier (now available on Kindle), The War Against the Greens, 50 Ways to Save the Ocean, Rescue Warriors, Saved by the Sea and The Golden Shore. Get on the email list at healthmatters.substack.com
