Energy and environmental efficiency in different Chinese regions

Earth & Environmental Sciences

• energy efficiency 100%
• city 54%
• environmental pollution 32%
• economic development 19%
• income 18%
• air quality 18%
• pollution indicator 15%
• energy economics 15%
• data envelopment analysis 14%
• environmental sustainability 11%
• need 11%
• Gross Domestic Product 11%
• pollutant source 11%
• price 8%
• economy 8%
• public 7%
• method 7%
• province 6%
• economics 6%
• world 6%
• calculation 5%
• index 5%
• energy 5%

Social Sciences

• efficiency 69%
• energy 67%
• environmental pollution 44%
• economic efficiency 34%
• air 22%
• regional difference 15%
• economics 11%
• low income 11%
• data analysis 10%
• sustainability 10%
• income 9%
• economy 8%
• China 8%

Engineering & Materials Science

• Energy efficiency 77%
• Pollution 38%
• Economics 35%
• Air quality 30%
• Data envelopment analysis 18%
• Sustainable development 12%