David Helvarg
David Helvarg , the author of books including Rescue Warriors, 50 Ways to Save the Ocean, and The Golden Shore, founded and is executive director of the Blue Frontier Campaign. He lives in the San Francisco Bay Area.
David Helvarg , the author of books including Rescue Warriors, 50 Ways to Save the Ocean, and The Golden Shore, founded and is executive director of the Blue Frontier Campaign. He lives in the San Francisco Bay Area. See less
