David Helvarg
Contributor
David Helvarg is an author and executive director of Blue Frontier, an ocean conservation group.
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Good (and Bad) Tidings
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
PerspectivesUnited StatesDavid Helvarg
An author of a new book says the sea will surely outlive us (but our bad habits are scarring it forever).