The NSR's shortcomings are considerable: a short sailing season, the cost of hiring icebreakers, the operational hazards of extreme northern waters and the environmental risks of oil spills, collisions or sinkings.
Green City, Clean Waters bets that economic and environmental health work in tandem.
Salmon farms have traditionally involved large numbers of fish contained in nets in inshore waters raising a number of environmental issues.
But lower demand will be offset by a scheme to phase out single-hull ships on environmental and safety grounds in European and North Atlantic waters.
George Bush, the incumbent, wants Congress to let oil firms drill in areas of Alaska and coastal waters that are currently off-limits for environmental reasons.
"We have decided to ban the ship from entering our waters as we have information that it could trigger environmental and health disaster if it is dismantled here, " Mr Islam said.
The waters off North Carolina's coast, for a host of environmental factors including sharp winds, shifting currents, hurricanes and a large shoal off shore, make it particularly dangerous for shipping.
As Illinois waters became clogged with the invasive Asian carp, Schafer saw opportunity where others saw environmental disaster.
At 3:15 in the morning, Jamie Powers and Kevin Thomas, environmental conservation officers for New York state, ease their 31-foot boat into the inky waters of Jamaica Bay, which bisects the boroughs of Brooklyn and Queens.
One of the most controversial aspects of the Defense Transformation Act is among its most commonsensical: The military needs to be able to train as it intends to fight -- something that it is increasingly unable to do on the lands and in the waters set aside for that purpose due to creeping (in some cases, galloping) environmental-related strictures.
Coordinated by the Reef Environmental Education Foundation, the event takes place each year during the first two weeks of July in coastal waters throughout the United States.
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