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Urban ecological safety evaluation is an important way to coordinate economic development and environmental protection and to promote urban sustainable development. This paper constructed an evaluation indicator system of urban ecological safety. The indicator system was composed of vigor, organization, resilience, maintenance of ecosystem service and human health. Then it discussed evaluation grads...
Agriculture is a conflict region for economical development and environmental protection, and agroecosystem health assessment is its foundation of sustainable development. Based on the character of agroecosystem and PSR (pressure-state-response) model, this paper selected some indicators of agroecosystem health and constructed the model of matter-element evaluation, which is applied to seven towns...
A simple new classical growth model is developed to analyze the relationship between economic growth and environmental pollution, which proves the existence of the sustained growth path. This model is then endogenized to study the interaction among environmental pollution, human capital and economic growth in the long run. The similar growth path is shown and potent influences of different variables...
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