Which of these causes the least pollution?
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# Pollution
Is air Con bad for the environment?
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What is the least eco-friendly country?
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Are cruise ships more polluting than planes?
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What are the negative effects of transportation?
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What pollutes the earth more?
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What is the #1 most polluted country in the world?
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Which is the No 1 most polluted city?
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What are the negative effects of production on the environment?
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What is the most polluted item?
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