Which cruise line pollutes the most?

63 cruise ships owned by Carnival Corporation released more toxic sulfur gasses than all the cars in Europe, study says. 63 cruise ships owned by Carnival Corp. emitted more sulfur oxides than all the cars in Europe in 2022. That's according to a recent study from The European Federation for Transport and Environment.



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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.

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Some of the environmental challenges that cruise lines need to address are air pollution from heavy oil, wastewater discharge issues, habitat disruption, and overtourism. The 'elephant in the room' is that cruise lines are currently using heavy oil – also known as the dirtiest of the dirty oils.

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Cruise ships release large amounts of harmful gas emissions, contributing significantly to air pollution and global warming. Air pollutants like nitrogen oxide and sulfur from cruise ships pollute the air and contribute to respiratory problems.

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Royal Caribbean Cruise Line (RCCL): RCCL has made a significant effort towards environmental sustainability. Princess Cruises: has a comprehensive environmental management program that includes waste reduction, water conservation, and emissions reduction.

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Taking a seven-day cruise is more than three times as carbon-intensive as flying and staying abroad.

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Cruise ships emit more carbon per passenger kilometre than flying, even considering the extra damage that emissions cause at high altitude. It's thought that the Queen Mary II emits 0.43kg of CO2 per passenger mile – that's even worse than the 0.257kg for a long-haul flight.

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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.

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Solid Waste Pollution It is estimated that cruise ships contribute 24% to the total solid waste generated by maritime traffic across the world as one of such luxury vessels can produce seven tons of garbage and solid waste in a single day. A cruise ship's solid waste materials include paper, cardboard, aluminium, etc.

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Port pollution: Cruise ships generate plastic waste not only while at sea but also while in port. This can contribute to plastic pollution in the surrounding waters and on nearby beaches.

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MSC Seaside had a disturbingly low score of 67, while Carnival Liberty, Carnival Pride, and Margaritaville at Sea Paradise squeezed by with scores two scores of 86 and a score of 87, respectively.

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Disney Dream and Disney Fantasy are currently not being sent to ports where shoreside power is offered. However, all of Disney's ships burn fuel with a 0.1% sulfur content worldwide which is lower than what is required internationally, earning the company an A- in the air pollution reduction category.

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Augment this with no dumping solid waste at sea, (e.g. ground glass, cardboard and packing material, plastic), no discharges of hazardous chemicals or materials of unknown environmental impact (e.g., incinerator ash, sludge from smokestack scrubbers), and on all cruise ships have independent human monitors to observe ...

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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.

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Pursuing Net Zero Committed to pursuing net zero GHG emissions by 2050 across our operations and value chain. Reducing Carbon Intensity Achieved a 25% reduction in fuel consumption per capacity day fleetwide from 2008 to 2019. Investing in Shore Power ~40% of the NCL fleet has shore power capabilities.

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Prior to the COVID-19 pandemic, millions of Americans took cruise vacations every year. Yet, most travelers didn't realize that taking a cruise is more harmful to the environment and human health than many other forms of travel.

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