Mapping the depths: it’s time to get to know our ocean

Water covers more than two-thirds of our world. Yet 95% remains unknown. As we try to save our ocean, we need to understand it better. What can we do about it?

Twelve people have landed on the moon since 1969, yet only three have reached our ocean floor. The result is that we’ve mapped only 5% of the depths, with only 0.05% of this to any level of useful detail.

This is a companion discussion topic for the original entry at