Made by two surfers from the north-east of England, 'The Big Sea' exposes the unlikely link between the production of wetsuits and a small town in Louisiana, where the cancer risk risk rate is 50 times the US national average.
As Parliament debate a tax on single-use plastic, the conversation around plastic pollution is going mainstream. Photographer Liz Seabrook heads to a beach-clean to get her hands and head around the issue.
A film rebel with a cause, Jia Zhangke, has been called one of the major revelations of the last two decades and one of the greatest filmmakers working today. His latest explores one of China's biggest problems.