John Murphy and Sophie Cooke control a Remotely Operated Vehicle (ROV) on the bottom of Discovery Bay, off Greenwich Island, Antarctica. The team are using the ROV to look for signs of plastic pollution and anchor damage which caused by fishing vessels.

The Greenpeace ship Esperanza is on the final leg of the 'Protect The Oceans' voyage from the Arctic to the Antarctic. The almost year-long voyage is one of Greenpeace’s biggest ever expeditions and highlights the many threats facing the oceans while campaigning for a Global Ocean Treaty covering all seas outside of national waters.