Abstract：Environmental policy reflects directly how governments deal with environmental problems.By analyzing environmental policy texts we can interpret prevailing policy.From the angle of information analysis,this article takes WordScore as a kind of policy computing method and takes environmental policies published by NPC as reference texts.The paper makes a transversely and longitudinally quantitative analysis and comparison to Shanghai,Chongqing,Tianjin's environmental policies and Jiangsu,Zhejiang,Shanghai's water pollution policies.This paper finds that local and central governments had similar environmental policies,and policies between local governments are largely identical but with minor differences.It gives a conclusion that both central and local governments had made the suitable policies according to its own situations
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