Living in an area where you can see the ocean has been found to reduce psychological stress, even after controlling for factors such as income and neighborhood status.
Scientists in the Netherlands are developing an ocean cleaning system which uses the ocean’s currents and a barrier to remove plastic waste. A 100 km long system will be deployed in 2020 to clean up the Great Pacific Garbage Patch.
If we could capture just 0.1% of the ocean’s kinetic energy caused by tides, we could satisfy the current global energy demand 5 times over.
Jupiter’s moon Europa has more water than Earth. Its subsurface ocean plus ice layer could range from 80 to 170 kilometers in average depth.