Changing Tides: Karina Holden's 'Blue', the Enviro-doc and Conservationism

While Blue may not be the first nonfiction feature to fight for the welfare of our oceans, it is noteworthy for its masterful use of imagery, its enlisting of relatable real-world environmentalists and its accessible advocacy that goes well beyond the screen, writes Glenn Dunks.

Additional keywords:
sustainability, nature, advocacy, pollution, extinction, overfishing, Greenpeace.