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The international community has paid increasing attention to the prevention and control of ecological environment and health risks. Up to now, the development of green alternative technologies and materials, control of new pollutants, and the prevention and control of ecological environment risks in the whole service life of chemicals have become the focus of ecological environment management and research in developed countries. To promote the substitution of toxic and harmful chemicals in China, this paper systematically sorts out the evaluation methods of alternatives for environmental design in the United States, and elaborates the evaluation indicators, classification standards, data sources, as well as the principles and steps of alternative evaluation. In addition, this paper summarizes and analyzes the reference value of the evaluation methods of alternatives for environmental design in the United States from the perspective of new pollutants control in China. This study can provide references for the establishment of green alternative technology and assessment system of new pollutants in the environmental management of toxic and harmful chemicals and the control of new pollutants in China. [ABSTRACT FROM AUTHOR]

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Currently, low utilization ratio of science and technology resources has to be an important restriction factor that affects the development of science and technology in our country. It is necessary to establish and perfect the government-dominated paUern of sharing science and technology resources for realizing sustainable development. This paper, learning from the experience for science and technology resources sharing in some western developed countries, that contain the United States, European Union and Japan, studies the key problems in the development of science and technology resources sharing. Based on this analysis, some useful policies and suggestions, ranging from sharing strategy, sharing platform, management system are proposed. These conclusions are useful for the government to develop science and technology resources sharing. [ABSTRACT FROM AUTHOR]