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Cruise Ships Produce 168,000 Gallons of Sewage Daily

cruiseshipsPollution from cruise ships is a growing problem, according to environmental group Oceana. They produce a large amount of pollution every day from sewage, garbage and solid waste, toxic chemicals and oily bilge water.

According to Oceana, the average cruise ship produces the following pollution daily:

  • 25,000 gallons of sewage from toilets
  • 143,000 gallons of sewage from sinks, galleys and showers
  • Seven tons of garbage and solid waste
  • 15 gallons of toxic chemicals
  • 7,000 gallons of oily bilge water

Several cruise lines have been making efforts to clean up their acts, reports Seattle International Travel Examiner. The newspaper cites several examples — including Princess Cruises, Holland America, Carnival, Royal Caribbean, Celebrity and Norwegian Cruise Line — where cruise lines have implemented environmental measures.

As examples, both Princess Cruises and Holland America have ships that plug into onshore hydroelectric power while in port, which reduces the air pollution produced by idling ships. Holland America has also installed a special seawater-scrubbing emissions system to reduce air pollution, and uses a hybrid power system in its newer ships.

Smaller cruise lines, such as Lindblad Expeditions and Adventure Smith Explorations, have also implemented environmental measures, which include offsetting their carbon footprint, purchasing seafood from sustainable sources, and adopting new sustainable technologies, according to the Seattle International Travel Examiner.

But not all cruise lines are in agreement. Earlier this year, the Alaska cruise industry called for the abolishment of a strict water-pollution rule approved by voters in 2006 because the rule is detrimental to tourism.

To help determine which modes of transportation have the smallest carbon footprint, the Union of Concerned Scientists (USC) has developed a green travel guide, reports Mercury News.

The report, Getting there Greener, compares the amount of carbon dioxide emissions from driving, flying, and traveling by train or bus. The report shows that three key factors determine the environmental impact of your travel — type of vehicle, distance and number of people traveling.

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One thought on “Cruise Ships Produce 168,000 Gallons of Sewage Daily

  1. Somebody should take a closer look at the Photo Department on Carnival ships. The public is not aware that the photographs that they are forced to take and do not buy are dumped on shore as the paper cannot be recycled and that the paper damages their incenerators.

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