What do cruise ships do with all the waste they generate?

“While ocean-going ships can release untreated sewage into the ocean if they are at least 12 miles from land and traveling at a required speed, CLIA ... read more

All glass and plastic bottles, etc. on ships are crushed and recycled onboard, and often sold in port to recycling companies, however in some countries (such as Australia), the ships have to pay just to get the recycled material moved off the ship. read more

Cruise ships generate a number of waste streams that can result in discharges to the marine environment, including sewage, graywater, hazardous wastes, oily bilge water, ballast water, and solid waste. They also emit air pollutants to the air and water. read more