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Search results for "pollution levels"

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Viewing 1 - 6 of 6 results by relevance

Public Transportation's Role in Addressing Global Climate Change  (2009)

Institutional Arrangements for Freight Transportation Systems  (2009)

Driving and the Built Environment: The Effects of Compact Development on Motorized Travel, Energy Use, and CO2 Emissions -- Special Report 298  (2009)

Performance Measurement Framework for Highway Capacity Decision Making  (2009)

Effective Practices for Preparing Airport Improvement Program Benefit-Cost Analysis  (2009)

New Approaches to Ecological Surveys  (2009)