Sustainability has become a goal for the cruise industry. Passengers generally support that idea, but they're generally not willing to be even slightly inconvenienced to make it happen. That's not true of every person sailing,

Carnival Sunshine will arrive at the terminal for its first cruise on Feb. 11, said the director of Norfolk’s Half Moone Cruise and Celebration Center. This will be the start of year-round

Cruise lines face a challenge when it comes to deciding when to get involved. In many cases, the cruise line has to decide whether it's worth confronting a guest when a minor rule gets broken. That's most evident when it comes to dress codes and pool deck chairs.