Is cruising any greener than flying?

A five-night, 1,200 mile cruise results in about 1,100 lbs of CO2 emissions, according to Comer. Flying the same distance and staying in a hotel would emit less than half of that. And that's not counting for the fact that cruise guests often also have to fly to the port where they will embark.



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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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Besides walking and biking, traveling by train remains one of the greenest and most environment-friendly options when getting around. Regardless if electric or diesel-powered, trains emit between 66 and 75 percent fewer carbon emissions when compared to cars and airplanes.

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Finally, the plane is the most polluting means of transport and the one that generates the most greenhouse emissions.

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A painfully obvious ship assumption Well, you're not. Larger ships do tend to impact the environment more than smaller ships, especially passenger-packed cruise ships – though obviously there are many exceptions, which we'll address later.

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The most obvious and climate-friendly solution is riding aboard a cargo ship, thousands of which cross the Atlantic each year.

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Everything you could possibly need is in one place (dining, lodging, activities, and entertainment) and your cruise itinerary will take you from port to port without having to worry about transportation. You also don't have to pack and re-pack as you go from destination to destination.

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Car, bus and bike releases smoke and some hamful gases to the atmosphere thereby causing air pollution. Bicycle is the only means of transport that do not release any pollutants. Q.

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EVs are among the least polluting cars on the market, but because powertrain efficiency and vehicle weight also have a significant effect on a car's environmental impact, some hybrid and gasoline vehicles outperform some EVs.

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The Harmony, owned by Royal Caribbean, has two four-storey high 16-cylinder Wärtsilä engines which would, at full power, each burn 1,377 US gallons of fuel an hour, or about 66,000 gallons a day of some of the most polluting diesel fuel in the world.

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