Toward sustainable cities

Earth & Environmental Sciences

• sustainable development 96%
• local government 79%
• city 66%
• development economics 57%
• traffic management 54%
• waste reduction 51%
• social change 48%
• waste recycling 46%
• energy conservation 42%
• energy efficiency 40%
• environmental protection 36%
• North America 30%
• urban area 29%
• sustainability 29%
• land use 26%
• need 21%
• energy 19%

Social Sciences

• sustainable development 100%
• energy 54%
• Municipal government 48%
• recycling 44%
• economic change 40%
• land use 38%
• environmental protection 38%
• traffic 38%
• urban area 34%
• conservation 33%
• social change 32%
• sustainability 29%
• efficiency 28%
• management 18%