3.3. Ecological Effects
Cruise ships are mostly seen as waste producer of the world seas. Big and luxurious ships are real danger for
environment protection. These ships need more electricity and water when they are getting bigger. 400 liter water is
average daily consumption of a passenger; 3 kg waste is produced also by one person on the board. Additionally,
there are also sewage sludge, water contaminated by oil and emissions of ship engines