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Moving Cooler: An Analysis of Transportation Strategies for Reducing Greenhouse Gas Emissions

This document includes the executive summary and a complete collection of technical appendices from the 2009 Urban Land Institute book

The debate on how to meet the nation’s climate change challenge is well underway, and ambitious goals for greenhouse gas (GHG) reductions are likely to be established. Proposals under discussion would set national targets for reductions in GHG emissions, from all sectors of the economy, of up to 83 percent from 2005 levels by 2050—equivalent to a reduction of more than 5,900 million metric tonnes (mmt) of GHGs during this period of time. Transportation contributes roughly 28 percent of the United States’ total GHG emissions—and transportation emissions have been growing faster than those of other sectors. In fact, between 1990 and 2006, growth in U.S. transportation GHG emissions represented almost one-half (47 percent) of the increase in total U.S. GHGs. Success in reducing GHGs through transportation strategies will be critical to meeting national goals.