How bad is cruising for the environment?

The filthy fuel (called marine gas oil) means the big diesel engines on cruise ships emit tons of toxic smog that people on board and in port cities have to breathe. And while the smog is the most obvious in port, cruise ships also emit tons of greenhouse gases. (Cruising is actually worse for the climate than flying.



People Also Ask

A June study from sustainable transport campaigner The European Federation for Transport and Environment found that 63 cruise ships owned by parent company Carnival Corporation emitted 43% more sulfur oxides, a group of harmful air pollutants, than all the 291 million cars in Europe in 2022.

MORE DETAILS

Cruise ships, huge compared to other vessels, end up burning more heavy fuel oil, one of the dirtiest fossil fuels on the market. This oil contains dangerous levels of sulfur and heavy metals etc. It is estimated that cruise ships use, on average, 150 tons of heavy fuel oil every day.

MORE DETAILS

1. The Norwegian company Hurtigruten. Among the most environmentally sustainable ships are certainly the ships of the Norwegian cruise line Hurtigruten. The company has already eliminated heavy fuel oil (HFO) for more than a decade and uses alternative and greener fuels such as marine diesel oil and biofuels.

MORE DETAILS

But just how severe is their impact on the climate? Unfortunately, taking a cruise takes a toll on the planet. Your trip will average anywhere from 700-1000 pounds of carbon emissions a day, which is much higher than flying, driving or a traditional 'land' vacation.

MORE DETAILS

The most polluting cruise ships operator was MSC Cruises – whose cruise ships emitted nearly as much SOx as all the passenger vehicles in Europe. Accounting for all of its subsidiaries, the Carnival group polluted the most. Many cruise operators like MSC are investing in fossil gas (LNG) as a cleaner alternative.

MORE DETAILS

There is no longer any doubt that land-based vacations, even with plane and car travel, are overwhelmingly less polluting than getting on a cruise ship.

MORE DETAILS

How are cruise ships harmful to our environment? Cruise ships utilise enormous amounts of fuel. They also generate vast quantities of solid and liquid waste, often dumped into oceans and seas, affecting marine flora and fauna. The carbon emissions released into the atmosphere pollute the air.

MORE DETAILS

Do Cruise Ships Dump Sewage? Yes. To get into a few more specifics than above, the U.S. allows cruise ships to dump treated waste into the ocean if they are within three and a half miles from shore. Beyond that point, there are no restrictions for dumping untreated, raw sewage in U.S. ocean waters.

MORE DETAILS

Hurtigruten. Hurtigruten was the world's first cruise company to phase out single-use plastics onboard. This 130-year-old Norwegian adventure travel company incorporates a sustainability ethos at its core.

MORE DETAILS

Yes, cruise ships have brigs, which is the nautical term for a jail on a vessel, including a cruise ship. The term comes from the word brigantine, which is a type of two-masted sailing ship formerly used to house criminals.

MORE DETAILS