Do Now: Describe the type of place you would like to live when you are on your own.

Urbanization Objectives: 1)Identify challenges of a growing urban population 2)Explain the goals and principles of smart growth

I. The Urban Crisis: When urban areas grow too quickly… A. Infrastructure becomes overwhelmed B. Living conditions deteriorate

II. Impacts of Urbanization A. Traffic, overcrowding issues B. Pollution o Esp. air, noise C. Heat Island o Cities generate & trap more heat

III. Heat Island Effect A. Cities can be 1.8 – 5.4 o F hotter than surroundings B. In the evening, temp. difference can be 22 o F

IV. Heat Island Impacts A. Increase energy consumption 1. Greater demand for a.c. 2. Blackouts/brownouts B. More pollution 1. Primary pollutants & greenhouse gasses 2. Ground-level ozone C. Health problems

V. Urban Sprawl A. To avoid problems associated with cities…urban sprawl B. Low-density residential development: 1. Threatens farmland & open space 2. Raises public service costs 3. People & wealth leave cities 4. Creates traffic congestion 5. Degrades the environment

VI. Smart Growth A. Cities that grow more slowly are generally pleasant… 1. Fewer traffic/infrastructure problems 2. More green space

B. Smart Growth: building urban, suburban and rural communities with housing and transportation choices near jobs, shops and schools. C. Approach supports local economies and protects the environment D. rowth.html rowth.html