A popular tourist destination, Ålesund is renowned for its Art Nouveau-style architecture ... by land and high mountains right by the Norwegian Sea. Like something out of a postcard, Ålesund ...

Norway became the first country in the world to move forward with commercial-scale deep-sea mining when it approved the plans in January. The deep sea is home to minerals such as lithium ...

But Saetre says there is a bigger problem with Norway's farmed salmon - sea lice. They're tiny crustaceans that attach themselves to salmon, feed on them and reproduce. "These sea lice ...