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Suburban development is more environmentally benign than urban development because it
is less dense.
Sprawl is a contributing factor in obesity.
Increased density increases greenhouse gas emissions because it features larger buildings.
Increased density decreases greenhouse gas emissions because it reduces the need for
automobiles.
Planners sometimes choose transit-oriented development to avoid the necessity for
walkable streets.
In the next several decades, cities are expected to
retain their size but change qualitatively
a site planted with agricultural crops
a previously undeveloped site
a site with a water feature
Increasing the width and capacity of roadways
reduces net greenhouse gas emissions
allows for more sustainable growth
In conservation development, new houses
are placed on large lots if possible
are clustered onto a portion of the development site
are spaced evenly across the site to avoid density
are placed next to streams for water access
a previously undeveloped site
a site affected by smog accumulations
The LEED standard that relates to development in communities and neighborhoods is
The most sustainable land use patterns result from
increased open space around buildings
To be walkable, a neighborhood should
be about half a mile across
be about two miles across
increase the distances between streets for more open space
Sustainable urbanism includes
broad streets with expansive block sizes
networks of streets with small blocks and frequent intersections
Transportation demand management
uses strategies to change travel behavior
uses alternative bus and rail technology
uses more efficient street networks
uses longer travel times to discourage travel