What is the greenest form of travel?
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# Sustainabletravel
Which transportation is the greenest?
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Which type of transport has a low environmental impact?
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Are there any cruise lines that are environmentally friendly?
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How can we protect our environment from tourism?
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Are cruises more environmentally friendly than flying?
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Which is the greenest way to travel?
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What are the environmentally friendly means of transport?
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Which form of transportation is the most environmentally friendly?
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Is ferry more eco-friendly than flying?
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