The paper constructed agricultural film pollution EKC model of vegetable industry in Hebei province, Based on 1999-2011 vegetables average yield per hectare as vegetable industry development level ,the density of agricultural films as variable combined with planting area and total production time index. The empirical results has shown that the relationship between the density of agricultural films in Hebei province and economic development is with linear growth characteristic not a typical inverted "U" type EKC characteristic. Therefore, in the process of making vegetables industry policy and vegetables environmental protection policy, the government should take measures to control the occurrence of vegetables agricultural films source pollution actively. Not using the inverted U type of EKC curve does as the excuse of first pollution, after management.
In recent years,developed countries improve constantly packaging materials requirements of imported agricultural products, the exported agricultural products of China are blocked by foreign countries for the packaging quality problems and this leads to serious economic losses. The packaging materials of agricultural products is the important link of agricultural products safety control, the migration of harmful substances in packaging materials will be a direct threat to agricultural products and this results in agricultural products unsafety. Based on the analysis of their own security problems and management problems of packaging materials of China's agricultural products, this paper will put forward to the countermeasures to improve the quality safety of packaging materials of exported agricultural products.
The forest carbon sinks play an important role in controlling the Greenhouse Gas emissions. The project management of wood carbon sequestration materials will be helpful to attract more and more enterprises to step into forestation, reforestation and technology development for improvement of forest management. That will create a sustainable situation that governments, NGO and corporations join together. Based on the domestic and foreign literature, the paper sorts out the current literature in the direction of forest carbon sequestration managements are from five aspects such as, carbon policy, carbon sequestration, carbon conservation, carbon substitution, carbon benefits. Based on this, the paper puts forward the policy and the long-term objectives of wood carbon sequestration materials should be integration of the implementation.
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