Cruise ships get rid of human waste safely. Cruise ships get rid of human waste by treating it extensively in an onboard treatment plant. Leftover solids are either processed.
Leftover solids are either processed. Cruise ships not only dump sewage and food waste, but they also dump harmful fuel waste into the oceans as well. Cruise ships often use cheap, dirty, heavy fuel to power.
Cruise ships often use cheap, dirty, heavy fuel to power.