Are cruises or planes worse for the environment?

Compared to flying to a destination and staying in a hotel, cruising almost always has a far higher emissions profile, according to research by Comer and others. A five-night, 1,200 mile cruise results in about 1,100 lbs of CO2 emissions, according to Comer.



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Compared to flying to a destination and staying in a hotel, cruising almost always has a far higher emissions profile, according to research by Comer and others. A five-night, 1,200 mile cruise results in about 1,100 lbs of CO2 emissions, according to Comer.

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Currently, cruise ships and other maritime vessels are responsible for nearly 3% of global greenhouse emissions each year. Considered to be worse than flying in terms of carbon emissions per passenger, a report by Pacific Standard revealed that a person's average carbon footprint triples in size while on a cruise.

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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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During a typical one-week voyage, a large cruise ship (with 3,000 passengers and crew) is estimated to generate 210,000 US gallons (790,000 L) of sewage; 1 million US gallons (3,800 m3) of graywater (wastewater from sinks, showers, and laundries); more than 130 US gallons (490 L) of hazardous wastes; 8 tons of solid ...

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U.S. law requires cruise ships to treat waste within about 3.5 miles of shore—but beyond that, there are no restrictions on dumping polluted sewage and graywater. Researchers have estimated that over a billion gallons of sludge made from excrement and food scraps are released into the ocean every year by cruise lines.

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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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Aviation is responsible for between 2pc and 3pc of global carbon emissions. And Ms Thunberg continues to refuse to fly because of the impact on the environment.

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In terms of transporting cargo, container ships are by far the most energy efficient form of transport compared to trains, trucks, and planes.

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“Cruising is less stressful and also means you do not lose time commuting and travelling to a destination as you will be eating, watching shows, drinking with friends and sleeping in comfort as the ship takes you to the next destination. It is a more efficient and enjoyable use of your time.”

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No cruise line is going to endanger guests (or invite legal action or bad press) by putting anything like a laxative in their food or drinks. Next time your on the ship remember: Washy Washy, and use hand sanitizer.

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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.

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The Crystal Symphony, a luxury cruise ship operated by financially-strapped Genting Hong Kong Ltd., will be seized to repay $1.2 million in unpaid fuel bills if it docks in Miami, amid reports the vessel is being diverted to the Bahamas after a U.S. court issued an arrest warrant.

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