Study On The Construction Of Environmental Issues By Mass Media

’PM2.5’, which firstly appeared in2011, to date, has become a hot in society.’PM2.5’ has evolved from an environmental issue into a social one.，this is the resultof social construction, and the mass media is an integral part.However, not everyissue can be caught by the news media as a public topic， the construction ofenvironmental issues by media is important。The social constructivism is applied to study the media construction ofenvironmental issues, taking ’PM2.5’ as example. The role and the process of mediain the environmental issue construction are analyzed. And related problems are alsodiscussed. This paper is comprised of the following main parts:The first part is introduction, including research background, researchsignificance, and research methods.The second part analysis the construction process of ’PM2.5’ by media mainlyincludes: the micro blog platform pays attention to ’PM2.5’ to complete the opinionintegration. Then the traditional media interferes in the issue integration anddemonstrates various opinions, completing the opinion expression. And then newsmedia and NGO work together to propel the policy implementation by thegovernment for a better social construction of the environmental issue.Then the third part is about strategies of media construction, includingauthoritative source framework to define issues; diverse topics to deepen publicawareness; proliferation framework to guide public opinion; framework resonanceintegration issues; graphic symbols to strengthen the mobilization effect of media,mass media choice the theme, framework, rhetoric to complete the construction ofenvironmental issues, thereby influence public understanding and thinking.The fourth part mainly tells mass media plays a role of environmentalviewpoints integration, information dissemination, opinion expression, public spaceconstruction, guidance-education, communication and cooperation. However, inaccordance with the analysis on related texts, several problems are given; authorizedinformation sources define the framework of the environmental issue. news reports have tendency towards official side, lacking public opinions. Reports on theenvironmental issues are superficial without in-depth thinking.Finally, suggestions that news media make in-depth thinking in the mediaconstruction and coordinate communication between the government and the public,and improve people’s environmental awareness and public responsibility for a betterenvironmental dissemination are put forward.