Cargo ships are the worst. There are about 20.000 of them around the world and they use unrefined dirty oil. Approx. 200 of these ships pollute more than every vehicle on earth combined.
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Cargo ships are the worst. There are about 20.000 of them around the world and they use unrefined dirty oil. Approx. 200 of these ships pollute more than every vehicle on earth combined.