In terms of environmental impact, air travel generally produces higher emissions per passenger than other modes of transportation due to its reliance on fossil fuels. Traveling by train, bus, or ferry would likely produce lower greenhouse gas emissions per person compared to flying, but it's important to note that each mode of transportation also varies based on factors like fuel efficiency and route distance. Additionally, it might be worth considering offsetting carbon emissions through initiatives such as tree planting programs. Overall, the decision should be based on personal values and priorities, including the tradeoff between sustainability concerns and practicality.
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