The air on cruise ships can be as polluted as the air in Beijing, new study claims

• Air pollution on cruise ship decks may be as bad as in cities like Beijing and Santiago, Chile, according to a new study from researchers at Johns Hopkins University.
• The study measured pollution levels on the decks of four cruise ships — Carnival Liberty, Carnival Freedom, Holland America MS Amsterdam, and Emerald Princess — in front of and behind the ship’s smokestacks.
• The researchers found that concentrations of particulate matter pollution on the decks of the observed ships was similar to levels found in Beijing, Santiago, and Antwerp, Belgium.

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Source : BusinessInsider.Com