URBANIZATION LAND USE Industrial Uses Clear cut land
URBANIZATION
LAND USE # Industrial Uses # Clear cut land to place industrial plants # Hazardous Waste produced # Thermal Pollution – water too hot # Chemical waste entering water systems
LAND USE # Housing and development # New subdivisions are cropping up due to the population growth in areas. # Land is cleared for commercial use (retail businesses and medical facilities)
WHAT IS URBANIZATION? # Large town with a growing suburbs # Depend on resources outside the city # Why are big cities growing? # Increase in birth rates # Immigration – poor are moving to larger cities and away from rural areas # Cities have grown from 2% to 45% since 1950 # By 2050 66% of all people in the world will live in urban areas.
WHAT ARE THE BENEFITS AND PROBLEMS WITH URBAN DEVELOPMENT? # BENEFITS # Better education system # Medical services # Social service programs # # # PROBLEMS Infectious diseases Inadequate water system Poor sewer systems Exposure to pollution
ECOLOGICAL STABILITY Carrying Capacity – maximum number of individuals the environment can support
What is Smart Growth? # Smart growth # Reduces dependence on cars # Controls and directs sprawl # Cuts wasteful resource use
Smart Growth Works! U. S. cities # Portland, OR # San Francisco, CA # # Curitiba, Brazil # Europe: compact cities
New Urbanism Is Growing # Cluster development # New urbanism, old villageism # Walkability # Mixed-use and diversity # Quality urban design # Environmental sustainability # Smart transportation
The Ecocity Concept: Cities for People Not Cars # Ecocities or green cities # Build and redesign for people # Use renewable energy resources # Recycle and purify water # Use energy and matter resources efficiently # Prevent pollution and reduce waste # Recycle, reuse and compost municipal waste # Protect and support biodiversity # Urban gardens; farmers markets # Zoning and other tools for sustainability
Science Focus: Urban Indoor Farming # Rooftop greenhouses # Sun Works: designs energy-efficient greenhouses # Hydroponic gardens # Skyscraper farms
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