(Washington, D.C.): Our oceans act as a crucial life-support system for the planet and its inhabitants—soaking up carbon dioxide from the atmosphere, providing a wealth of natural resources, nurturing incredible and mysterious sea creatures, and serving as a playground and place of cultural heritage. Covering 71% of Earth’s surface and providing 99% of its living space, the ocean often seems invincible. Yet, human activity threatens to diminish the myriad services that the ocean provides.