Evaluation index | Indicator attributes | The United States | China | Henan Province | Standardized score |
Investment in environmental pollution control as a percentage of GDP | + | 2% | 1.15% | 1.97% | 98.59 |
Forest cover rate | + | 33.93% | 21.63% | 24.5% | 69.33 |
Research and experimental development expenditure as a percentage of GDP | + | 2.79% | 2.13% | 1.31% | 10.30 |
Research and experimental development expenditure growth rate | + | 7.45% | 12.3% | 17.78% | 100 |
GDP growth rate per capita | + | 1.55% | 6.3% | 5.94% | 63.03 |
The added value of the tertiary industry as a proportion of GDP | + | 77% | 51.6% | 43.3% | 46.93 |
Energy consumption per unit GDP | − | 0.27 | 0.57 | 0.54 | 64 |
Reduction rate of energy consumption per unit GDP | + | 3.72% | 3.7% | 7.9% | 100 |
Proportion of non-fossil energy in primary energy consumption | + | 15.8% | 13.8% | 6.8% | 0 |
Non-fossil energy consumption growth rate | + | 5.89% | 6.9% | 8.86% | 100 |
Carbon dioxide emissions per unit of energy | − | 1.59 | 2.06 | 2.28 | 41.28 |
Carbon dioxide emissions per unit of GDP | − | 0.43 | 1.12 | 1.17 | 57.10 |
Reduction rate of carbon dioxide emissions per unit of GDP | + | 5.01% | 5.19% | 7.64% | 100 |