In the stormy waters of the North Atlantic, a team of scientists and adventurers embark on a daring 1,000km sailing expedition from the South of England to the Hebrides of Scotland, uncovering an invisible crisis beneath the waves.

Guided by world-renowned ocean scientist Professor Steve Simpson, the team conducts the world's longest underwater sound study, revealing an unsettling truth - while climate change is invisible underwater, it can be heard.

Client: Helly Hansen

Location: UK