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Report Says Ships, Aircraft Could Cut Pollution
Tuesday, 05 January 2010 00:00
Report cites operational, design changes to slow greenhouse gas growth

Operational and design changes in global aviation and marine transportation could reduce growth in greenhouse gas emissions by more than 50 percent by 2050, according to a new report from the Pew Center on Global Climate Change.

The report, “Aviation and Marine Transportation: GHG Mitigation Potential and Challenges,” said aviation and marine transportation are responsible for approximately 5 percent of greenhouse gas emissions in the United States and 3 percent globally.

The report estimated that carbon dioxide emission from global aviation will grow 3.1 percent annually over the next 40 years resulting in a 300 percent increase by 2050, and that international marine transportation emissions are projected to grow 1 to 2 percent a year, increasing to at least 50 percent over 2007 levels by 2050.

Proposed solutions include improvements in operations and engine efficiency and design of aircraft and ships, and transitioning to less carbon-intensive fuels and transportation modes where possible.

The report, by David McCollum and Gregory Gould of the University of California at Davis and David Greene of Oak Ridge National Laboratory, is available at http://www.pewclimate.org/technology/report/aviation-and-marine

The Journal of Commerce, 1/5/2010