The ROC's Environmental-Economic Account is compiled on the basis of the framework of the UN's System of integrated Environmental and Economic Accounting(SEEA) . However, limited by basic data, the main content of the country's Environmental-Economic Account includes changes in natural resource stock and depletion of natural resource (water resources, non-metallic minerals, energy minerals, and soil/rock resources), environmental pollution emissions (air, water, and solid waste), and environmental degradation; this information is used to estimate Taiwan's green GDP, which expresses the relationship between economic development and the environment.