2001 20thcenturyamericanhistory architecture cartography citiesandtowns cityplanning designandconstruction development ecologieurbaine economicassistance environmentalimpactstatements gebouwdeomgeving general geography history humanecology landscape landuse landuseplanning miscellaneous miscellaneousenvironmentalpolicies neighborhoods policy publicbuildings realestatedevelopment realestateinvesting renewalofinfrastructure september11terroristattacks socialecology socialenvironment socialjustice studies surveying unitedstates urban urban/metropolitanplanningpolicies urbandesign urbanecology(sociology) urbaneconomics urbanenvironments urbanization urbanplanning urbanpolicy urbanrenewal urbansociology urbantransportation utilisationurbainedusol wijkbeheer zonage zoning écologiesociale écologieurbaine