@CNN: The cruise industry is booming, but there’s growing concern about its environmental impact. Using fish scraps to power the ships might be part of the solution, one Norwegian cruise operator thinks. https://t.co/63VzVeG6xp

@CNN: The cruise industry is booming, but there’s growing concern about its environmental impact.

Using fish scraps to power the ships might be part of the solution, one Norwegian cruise operator thinks. https://t.co/63VzVeG6xp