From kelp forests in the ocean to forests on land, lifeforms evolved together as ecosystems – where function and diversity are more than the sum of the parts. As the world changes rapidly, we must learn from nature and reflect on the strength of this diversity. Stunning cinematography in this film explores how the ocean is intertwined with our lives, and why we must protect it. —GC

The deep sea is our least understood ecosystem. Home to millions of species, many undiscovered, it regulates vital systems and stores vast quantities of carbon dioxide. It also holds a trove of minerals worth trillions of dollars that the mining industry is racing to exploit. Looming is one of the greatest environmental threats the ocean has ever faced. A small island nation holds the key. —BB