David Helvarg Author Share this page Share this page block Share this page block Share this page block David Helvarg is an author and executive director of Blue Frontier, an ocean conservation group. Related content See all Skip carousel items Good (and Bad) Tidings December 30, 2015 Latest NewsUnited StatesDavid Helvarg Here was some of the big news coming in from the big blue sea in 2015. Our Ocean If We Want It April 10, 2015 PerspectivesUnited StatesDavid Helvarg An author of a new book says the sea will surely outlive us (but our bad habits are scarring it forever).