Our ocean is the earth's defining feature.
But the blue of our blue planet is so much more than just a colour. It is rich with life and plays an important role in keeping our planet stable and healthy. Worryingly, we are seeing our ocean change, for the worse.
In Ocean Matters, join oceanographer and physicist Helen Czerski as she meets the scientists who are working to save our ocean and marine life in one of the most remote parts of our planet.  Together, we’ll explore how the cutting-edge marine science research that’s going on there – and other places...