Yet humans have only explored a small portion of the ocean.
Most of what we know about the ocean is merely in the thin surface layer, the deep sea remains vastly unexplored. But one thing we do know is that the deep ocean is not merely a black, empty, unchanging void, it is full of life, vibrant, dynamic, and fragile. Recent technological advances have made the deep ocean more accessible than ever before.
* Half of the Oxygen produced by plants on Earth is produced in the ocean.
^ 99% of all available living space on the Earth, by volume, is in the ocean.