Urbanization andUrbanization and Sustainable Cities Sustainable Cities

Pongthep Suwanwaree, Ph.D.Pongthep Suwanwaree, Ph.D.

UrbanizationUrbanization

What is a city?What is a city? Rural areaRural area Urban areaUrban area VillageVillage CityCity MegacityMegacity Core regionsCore regions

Causes of Urban GrowthCauses of Urban Growth

Immigration push factorsImmigration push factors Immigration pull factorsImmigration pull factors Government policiesGovernment policies

Current Urban problemsCurrent Urban problems

The Developing WorldThe Developing World Traffic and CongestionTraffic and Congestion Air PollutionAir Pollution Sewer Systems & Water PollutionSewer Systems & Water Pollution HousingHousing

SlumsSlums Shantytowns or Squatter TownsShantytowns or Squatter Towns

The Developed WorldThe Developed World Areas of ProgressAreas of Progress Urban RenewalUrban Renewal

City PlanningCity Planning

Garden Cities and New TownsGarden Cities and New Towns Cities of the FurtureCities of the Furture

Urban RedesignUrban Redesign

Limit city size ~30,000-50,000Limit city size ~30,000-50,000 Determine in advance where development Determine in advance where development

will take placewill take place Turn shopping malls into real city centersTurn shopping malls into real city centers Locate everyday shopping and services Locate everyday shopping and services

near residential areasnear residential areas Increase jobs in the communityIncrease jobs in the community

Encourage walking or the use of small, Encourage walking or the use of small, low-speed, energy-efficient vehicleslow-speed, energy-efficient vehicles

Promote more diverse, flexible housing as Promote more diverse, flexible housing as alternatives to conventional, detached alternatives to conventional, detached single-family housessingle-family houses

Create housing “superblocks”Create housing “superblocks” Make cities more self-sustainable by Make cities more self-sustainable by

growing food locally, recycling wastes etc.growing food locally, recycling wastes etc. Invite public participation in Invite public participation in

decisionmaking decisionmaking