The cruise industry was already booming in Alaska, but some locals say its continued growth is putting a strain on the environment tourists come for.

“In contrast to the large cruise (ships’) advanced wastewater treatment systems, the small cruise (ships’) marine sanitation devices did not predictably produce treated wastewater which ...

Stewart Chiron: Carnival Corporation's issues really brought the need for better technology so that these ships can operate more efficiently. Narrator: Cruise lines have been working on systems to ...

Friends of the Earth also checked if the ships use scrubbers, an exhaust gas cleaning device that “converts air pollution into toxic wastewater ... with advanced sewage treatment systems.