Environmentally-friendly architecture & design City & town planning - architectural aspects 6 Urban & municipal planning 4 Architectural structure & design 3 Architecture 3 Sociology 3 Theory of architecture 3 Urban communities 3 Architecture: professional practice 2 Building construction & materials 2 Ecological science, the Biosphere 2 Applied ecology 1 Development economics & emerging economies 1 Educational: Art & design 1 Environmental science, engineering & technology 1 History 1 History of architecture 1 History of science 1 Landscape art & architecture 1 Materials science 1 Media studies 1 Personal & public health 1 Philosophy: aesthetics 1 Political science & theory 1 Public buildings: civic, commercial, industrial, etc 1 Regional & area planning 1 Social issues & processes 1 Sociology & anthropology 1 Sustainability 1 The environment 1