Sound is the whale’s most important tool for finding food, navigating and finding a mate. Now, global warming is wreaking havoc in the oceans. As the acoustic landscape changes, whales are forced to move, alter their mating calls – or fall completely silent when hunger takes over.
Part three of our investigation into marine protected areas. Saltströmmen is world famous. It has the world's strongest tidal current, which has given rise to a rich fish life that has attracted recreational fishermen from all over the world. However, fish stocks have declined sharply, and this seems to be due to increased fishing pressure from recreational fishermen.
