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Relationship between economic growth and environmental degradation in Jiangsu Province

Based on the data of economic growth and environmental quality in Jiangsu Province from 1990 to 2005,a model for relationship between the discharge of typical environmental indices and GDP per capita was established.The analytic results reveal that the relationship between the discharge of industrial gas and GDP per capita is an inverted N-curve,that between the discharge of SO2 in industrial gas and the logarithmic value of GDP per capita is a N-curve,that between the logarithmic value of the discharge of industrial wastewater and the logarithmic value of GDP per capita is a N-curve,and that between the logarithmic value of the discharge of industrial solid residue and the logarithmic value of GDP per capita is a cubic curve.The discharges of non-industrial wastewater,SO2 and gas closely relate with GDP per capita and population density.The environmental problem in Jiangsu Province is urgent and need to be solved as soon as possible.It is suggested that the Jiangsu Province government should further improve the corresponding policies and laws and reinforce the environmental investment so as to control and mitigate the pollution as well as to solve the environmental problem.