4.2: Natural Environment

Improve the quality of the natural environment by reducing highway-related pollution and by protecting and enhancing ecosystems.

Other Information:

Indicators: Reduce on-road mobile source emissions by 20 percent in 10 years. Increase net wetland hectare area (acreage) resulting from Federal-aid highway projects by 50 percent in 10 years.

Indicator(s):

Indicator:1

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