Are Royal Caribbean cruises bad for the environment?

In 2019, Royal sent two ships to Alaska, and the Radiance of the Seas discharged illegally into Alaskan waters. Twenty-three of Royal's 26 ships have scrubbers installed. Together these factors give Royal an F for water quality compliance since scrubber use merely converts air pollution into toxic water pollution.



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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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Cruise ships burn heavy fuel oils that contain harmful chemicals and substances like sulfur and heavy metals, which can leak into the oceans. If a cruise ship has a faulty system or improper repair work, oils can leak from these areas and penetrate the oceans, causing pollution and threatening marine life.

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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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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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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.

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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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Disney Cruise Lines has committed to becoming plastic free by 2025, both onboard and at Castaway Cay and Lighthouse Point. Shipboard recycling processes have helped to eliminate on average more than 2,500 tons of metals, glass, plastic and paper from traditional waste streams each year.

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Midship cabins The big allure of a midship cabin is its stability. You won't feel the rocking of the sea in a midship cabin nearly as much as you will in a cabin toward the front or back of a vessel. This is because ships are like teeter-totters. They pitch forward and back around a central axis that barely moves.

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A medium-sized cruise ship spews greenhouse gas emissions equivalent to those of 12,000 cars, while environmentalists accuse big industry players of investing little in decarbonization, and of covering up endless delay tactics in a heavy coat of greenwash.

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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.

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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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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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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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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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When a crime occurs on water, the jurisdiction depends on how far it is from land. In international waters, more than 24 miles off the coast, the crime would fall under the laws of the country where the ship is registered. If a ship is at port when a crime occurs, it falls within that country's jurisdiction.

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