From: The impact of technological innovation on building a sustainable city
CO2 | Energy | Buildings | Transport |
 • CO2 intensity  • CO2 emissions  • CO2 reduction strategy | • Energy consumption • Energy intensity • Renewable energy consumption • Clean and efficient energy policies | • Energy consumption of residential buildings • Energy-efficient buildings standards • Energy-efficient buildings initiatives | • Use of non-car transport • Size of non-car transport network • Green transport promotion • Congestion reduction policies |
Waste and land use | Water | Air quality | Environmental governance |
 • Municipal waste production  • Waste recycling  • Waste reduction policies  • Green land use policies | • Water consumption • System leakages • Wastewater system treatment • Water efficiency and treatment policies | • Nitrogen dioxide • Sulphur dioxide • Ozone • Particulate matter • Clean air policies | • Green action plan • Green management • Public participation in green policy |