Marine author, journalist and advocate David Helvarg talks with Earth Focus correspondent Miles Benson about his new book, "Saved by the Sea." As founder of the ocean lobbying group, the Blue Frontier Campaign, Helvarg has a deep passion for marine life that roots back to his childhood. His motivation is knowing all that we get from the ocean, from recreation to trade to energy, and feeling it's only natural that we give back.Learn more about the world's oceans and find out what you can do.moreless
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