Urban ecology (Biology) Urban Ecology 41 Urban planning 21 Landscape/Regional and Urban Planning 16 Regional planning 16 City planning 15 Sustainable Development 14 more ... Sustainable development 14 Urbanism 9 Ecology  8 Urban ecology (Sociology) 7 Landscape architecture 6 Architecture 5 Ecology 5 Ecosystems 5 Environmental Management 5 Environmental aspects 5 Environmental management 5 Building Types and Functions 4 Buildings 4 Cities, Countries, Regions 4 Climate change 4 Environment 4 Environment, general 4 Landscape Architecture 4 Nature Conservation 4 Nature conservation 4 Urban forestry 4 Urban wildlife management 4 Applied Ecology 3 less ...