By Roberta Attanasio Stories of the past tell us that our oceans are deep, mysterious and indestructible—but oceans are quickly changing, bowing to biological degradation and much more. Oceans are damaged every day by oil and gas drilling, pollution, and industrial impacts. Human activities are changing the ocean’s chemistry, destroying habitats, and killing marine life. The  Great Barrier Reef has lost half of its corals since 1995, and a report released in 2019 on the state of global biodiversity found that over one-third of marine mammals and nearly one-third of sharks and shark relatives are threatened with extinction. Overfishing is one of the primary threats to ocean biodiversity—it endangers not…