Environmental Science Chapter 8 Notes #1 Land Use
Chapter 8 : Land The City Fast Facts Urban Area – more than 5000 people per square mile According to US census Bureau – more than 2500 people 2% of the US land is Urban areas 80% of Americans live in urban areas Urbanization – movement of people from rural to urban areas Happened heavily from 1880 – 1950 Why? Importance of Rural Areas….
Chapter 8 : Land The City Urban Crisis Too many people move too fast into the cities before adequate infrastructure can be established Infrastructure – things built for public use Example: roads, schools, sewers, firehouses
Chapter 8 : Land The City Consequence of Urban Crisis Suburban sprawl -development around cities Characterized by houses & strip malls More living space, less $, less crime Suburbs! (since ’92 more Americans live there than cities and countryside combined)
Chapter 8 : Land The City Land Use Planning Determining in advance where: People will live Roads will be built Land will be protected Etc Tools – Geographic information system (GIS) Only works effectively when done before urban crisis begins… A long term solution
Chapter 8 : The City Short term solutions Mass Transportation Economic, efficient, reduces air pollution, reduces loss of land for roads Inner city Renovation People head to suburbs, business follows, city falls…use grants & incentives to fix up fallen areas
Chapter 8 : The City Short term solutions Open Spaces Parks (Yellowstone), gardens, historical areas, agricultural, etc Positives Alleviate crowding greenery absorbs CO 2 produces O 2 helps filter pollutants