环境议题传播维系着环境领域的信息互通、意义共享、对话协商与共赢协作。本文从话语分析的视角切入，采用内容分析法与文本分析法，分别对呈现政府环境议题构建的传统媒体和表征公众或社会组织环境议题构建的新媒体进行抽样分析，在评述了两类媒体中环境文本在议题选择、话语结构、叙事策略和主体角色等方面的差异、问题的同时，进一步论述了环境议题传播的优化路径。

The function of environmental communication not only maintains  the information interaction in environmental area, but also promotes consultation and collaboration in environmental issues. Based on the perspective of discourse analysis,  the paper makes comparisons between traditional media and new media which holds the government position and other represents the public. Through content analysis and text analysis, the environment texts of the two kinds of media represent obviousdifferences in main issues, discourse structure, narrative strategy and subject role.