Why are there two tides a day? – TED Ed

Dig into how the Sun and Moon are responsible for the tides on Earth, and what this force looks like on other celestial bodies….
Coastlines Around the World Are Losing Sediment – EOS

A new tool maps coastal sediments on the basis of water color. It shows that 75% of the world’s coastlines may be losing suspended sediment.
Ocean waves can power Australia’s future

Waves crashing on to Australia’s southern shores each year contain enough energy to power the country three times over.