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Fact: About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water.



Fact: More than 80 percent of the ocean and never been mapped, explored, or even seen by humans. A far greater percentage of the surfaces of the moon and the planet Mars has been mapped and studied than of our own ocean floor. Despite its size and impact on the lives of every organism on Earth, the ocean remains a mystery.



Affectionately dubbed "Her Deepness", by The New Yorker magazine, Dr. Sylvia Earle, one of the world’s top experts on ocean science and conservation, shares her inspiring wisdom in NATIONAL GEOGRAPHIC OCEAN: A GLOBAL ODYSSEY showcasing how the ocean--with its forces, habitats, creatures, and global influence--has a tremendous impact on our everyday lives.



President & Chairman of Mission Blue, Dr. Earl describes the evolution, beauty, and impact of our ocean, the challenges it faces, such as climate change, plastic, and overfishing, and the myriad ways we can help protect it. With a special focus on new discoveries in the deepest reaches of the ocean, Dr. Earle’s book reveals wonders that few have witnessed before and broadens our understanding of this essential realm of life on Earth.