Container ships "Danger at Sea"
more reason to buy local, Buy American... (article a few months old but important)
http://shipsairpollution.cleartheair.org.hk/?p=2383
"Danger At Sea: Ships Draw Fire For Rising Role In Air Pollution — As Global Trade Grows, So Does the Spewing Of Noxious Emissions"
"The corpuscles of the global economy, ships carry more than 90% of the world’s merchandise by volume, and the tonnage of cargo sent by ships has tripled since 1970. Yet the fuel propelling them is cheap and dirty and produces an especially noxious exhaust.
Ships release more sulfur dioxide, a sooty pollutant associated with acid rain, than all of the world’s cars, trucks and buses combined, according to a March study by the International Council on Clean Transportation. That study also found that ships produced an estimated 27% of the world’s smog-causing nitrogen-oxide emissions in 2005. Only six countries in the world emitted more greenhouse gases — which trap heat in the atmosphere, warming the globe — than was produced collectively in 2001 by all ships larger than 100 tons, according to the study and United Nations statistics..."
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