1. Number and scale of green financial institutions: including green banks and green investment funds. , its total assets scale, coverage and other factors need to be considered in the calculation.

2. Formulation of green financial policies and standards: such as whether specific environmental protection policies and green bond standards have been introduced. The perfection of these policies and standards is helpful to standardize market behavior and promote the development of green finance.

3. Types and quantities of green financial products: including green bonds, green funds and carbon trading. The quantity and market share of these products can reflect the market and development potential of the country or region in the field of green finance.

4. Direct environmental indicators: such as energy consumption and carbon emission level of a country or region, can reflect its performance in environmental protection.