Our oceans are very polluted and full of plastic.
15-year-old created a system that converts ocean currents into electricity.
Many of us know about the staggering levels of ocean pollution, but not all of us have seen a giant sponge sliced through by fishing line or have tugged back armfuls of trash lurking deep underwater.
An animation created by NASA in partnership with NOAA, covering the movement of plastic rubbish, the so-called ‘ocean garbage patches,’ using data collected over 35 years. Watch the amazing video.