Very few films an claim to have had a tangible effect on environmental issues, but this epic investigative feature length piece from Rupert Murray can. Exploring human kind’s relationship with our oceans, the film won a multitude of awards including Official Selection at Sundance.

A large school of fish swimming underwater against a blue background.
A whale's tail emerging from the ocean as seagulls fly overhead.
A woman and three children wading through shallow water near the coast, with rocks and open sea in the background.
A ship tilting with its mast broken, surrounded by seagulls, with crew members on board and one person standing on a platform on the mast.