cruise ships pollution

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1. Large Cruise Ships Produce As Much Air Pollution In One Day As

   

2. Large Cruise Ships Produce As Much Air Pollution In One Day As

   

3. Chart: Cruise Ships Are the Biggest Black Carbon Polluters

   

4. Carnival Cruise ship spews black smoke months after the cruise liner

   

5. Cruise ship pollution

   

6. Cruiseship Air Pollution Is Worse Than Most Cities