AP Environmental Science Mr. Grant Lesson 67. Our Urbanizing World & Sprawl. Objectives:. Define the term sprawl . Describe the scale of urbanization Assess urban and suburban sprawl Outline city and regional planning and land use strategies. Evaluate transportation options .
Our Urbanizing World
-Farms began producing access food.
- Industrial revolution spawned technology
-Creating jobs and opportunities in cities
-Increasing production efficiencies
You need to know this
Developing nations are urbanizing rapidly
Write in your notes one megacity in a developing nation
-Determine whether a small settlement becomes a large city
Today, cities thrive in resource-poor areas
- Economic opportunities
When people moved to suburbs
- Jet travel, television, cell phones, the Internet allow easier communication from any area
Transportation- More people need to drive to get somewhere when they live in suburbs.
Pollution- Cars and driving create emissions. Can contribute to urban smog, acid rain, ozone destruction.
Health- Sprawl promotes people being sedentary because you have to drive so much.
-Road systems, sewer systems, police and fire services, telephone line.
Is there Sprawl in the area you live?
Does it bother you or not?
Have this answer in your notes.
I will check at the end of class
City planning = designing cities to maximize their efficiency, functionality, and beauty
City planners help control development
Address transportation needs
Create public parks
Improve neighborhood living conditions
Pierre Charles L’Enfant’s 1791 plan called for splendid diagonal avenues, monuments, a spacious, stately feeling
Regional planning = deals with same issues as city planning, but with
-Has broader geographic scales
- Must coordinate with multiple municipal governments
Regional planning brings together:
Urban and rural residents
Homeowners, farmers, developers, and governments coordinate on what future land uses will be
Remember all these terms are way people deal with SPRAWL!!
Zoning = organizes areas for different types of development and land use
Zoning involves government restriction on the use of private land
Do you think people have
issues with this?
Limit sprawl: keeps growth in existing urbanized areas
Protect farms, forests, and industries
Increase housing prices within their boundaries
- Increase the density of new housing inside the UGB
Oregon’s long-term goal was to prevent growth of a megalopolis stretching from Eugene to Seattle
Smart growth = urban growth boundaries and other land use policies to control sprawl
Proponents of smart growth promote:
Healthy neighborhoods and communities
Jobs and economic development
Building “up, not out”
Focusing development in existing areas
Favoring multistory shop-houses and high-rises
New urbanism = neighborhoods are designed on a walkable scale
Homes, businesses, and schools are close together
Functional neighborhoods in which most of a family’s needs can be met without using a car
New urbanist developments have green spaces, mixed architecture, creative street layouts
Vocab to know: megalopolis stretching from Eugene to Seattle
-Leadership in Energy and Environmental Design
-urban growth boundary (UBG)
-urban heat island effect
Please create cards for each one of these words.
Traffic jams cause air pollution, stress, and lost time
Cost the U.S. economy $74 billion/year
Key in improving quality of urban life: mass transportation
Buses, trains, subways
Light rail = smaller systems powered by electricity
Cheaper, more energy efficient, and cleaner
Traffic congestion is eased
The most-used U.S. train systems are in large cities megalopolis stretching from Eugene to Seattle
Carry 25% of each city’s daily commuters
New York’s subways, the T in Boston
Portland’s buses carry 66 million/year
Each bus keeps 250 cars off the road each dayTrain and bus systems