See how your seafood choices affect your health and ocean health.

Barton Seaver, Chef, Conservationist, and Program Director, Healthy and Sustainable Food, for the Center for Health and the Global Environment at Harvard, collaborated with National Geographic to put together this interactive tool to find out where your favorite seafood ranks in sustainability, mercury level, and omega-3 content, as well as its place in the food chain—and why it matters.

Seafood Decision Guide