The Ocean

Ocean Issues Quiz

More Ocean-Related Quizzes

  • Photo: Fish on ice at a fish market

    Seafood Quiz

    Are you up to speed on seafood production and sustainability? Test your knowledge with this quiz.

  • Photo: Shark trapped in fishing net

    Ocean Issues Quiz

    Ocean acidification, pollution, and overfishing are some of the issues facing our ocean. Find out where you stand on the issues in this quiz.

  • Photo: whale shark

    Ocean Extremes Quiz

    Biggest, deepest, smallest, saltiest—do you know these marine standouts? Put your sea smarts to the test.

  • Photo: Oceanic White-tip Shark

    Oceans Quiz

    How much do you know about the world's threatened oceans?

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    Global Warming Quiz

    Global warming is a complex issue that involves many different environmental factors. Think you know the ins and outs of global climate change?

Ocean Videos

Ocean Topics

Your Ocean

  • Photo: Clown anemonefish

    For Kids

    Learn about the ocean with activities, photos, and games.

  • Photo: A school of fish and a shark swim in a coral reef.

    Ocean Education

    Bring engaging and important ocean learning to your classroom.

Support the Ocean

Help protect the last healthy, undisturbed places in the ocean so we can learn how to help healthy reefs thrive, help unhealthy reefs recover, and better preserve the ocean.

Explore the Ocean

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    Ocean Life

    Order ocean books, DVDs, maps, and more from the National Geographic online store.

  • Photo: Leopard seals on a glacier

    Ocean Special Issue

    Explore the world's oceans, from their prehistoric beginnings to modern-day efforts to preserve their natural wonder.

  • Photo: Ocean Atlas from National Geographic

    Ocean: An Illustrated Atlas

    Immerse yourself in the wonders of the deep through colorful maps, photos, and satellite images.

Engage, Conserve, Restore

  • Photo: Sunset at waterfalls

    Freshwater Initiative

    The National Geographic Society’s freshwater initiative is a multi-year global effort to inspire and empower individuals and communities to conserve freshwater and preserve the extraordinary diversity of life that rivers, lakes, and wetlands sustain.