Famed marine biologist Sylvia Earle issued an urgent call for humans to protect the world's oceans and the planet more broadly in the face of climate change at the launch of Oceans Week. "We must take care of the ocean. We must take care of the natural world from the skies above to the depths below," Earle tells TIME. "We must take care of the living earth as if our lives depend on it. Because they do." Watch the full video by @juliamarielull on TIME.com.