Earth, the blue planet, is more water than anything else. More than 70 per cent of its surface is water.
We depend on the ocean in many ways.
We take its riches, play in its waters and rely on it to control and includence our weather.
Yet becuase of our contribution to global warming, the ocean is posing a serious threat to the world's coastlines.
CSIRO's The Helix talks water, oceans and sea level rise - including how you measure it, who will be affected, what is being done - and how Green Cross Australia is making a difference.
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