6.8-6.9

• sustainability - using earth’s resources in a way that will not harm the environment
• smart-growth policies - policies that encourage the development of new towns and cities that are designed to be sustainable
• greenbelts - areas of underdeveloped land around an urban area
• slow-growth cities - adopt policies to slow the outward spread of urban areas and place limits on building permits in order to encourage a denser, more compact city
• new urban design - aims to improve the quality of life in cities by improving the layout of the city
• mixed-use neighborhoods - a neighborhood that has a variety of housing types and land uses like reclaiming neglected spaces, giving access to public transportation, and providing affordable housing
• transit-oriented development (TOD) - locates mixed-use residential and business communities near mass transit stops, decreasing the need for automobiles
• livability - a set of principles that supports sustainable urban designs
• quantitative data - information that can counted, measured, or sequenced by numeric value
• population composition - gives a description of peoples income, age, gender, ethnicity, race, family suse, and more
• census tracts - contiguous geographic regions that function as the foundation of a census
• census block - often very small, a single block bounded by four streets
• qualitative data - based on surveys, field studies, photos, video, and interviews from people who provide personal perceptions and meaningful descriptions