Research on the influencing factors of the spread of posts in the field of climate change - Take Sina Weibo as an example

The challenge of climate change is serious, and China attaches great importance to it and takes measures, the frequent occurrence of meteorological disasters triggers public opinion, so it is necessary to understand the formation principle, evolution process, and influencing factors of public opinion. This paper uses the LDA topic identification method to extract four main discussion topics: economic development, climate change and environment, human impact of extreme climate, and weather, and analyses the differences in discussion hotspots between different cities. The study also found that emotional attitudes towards microblog information related to climate change negatively impact its reposting, the number of words and entries on the microblog had a positive impact on its reposting, and the activity, influence, identity category, and credibility of microblog authors had a positive impact on its reposting. It provides new insights into the government's management and guidance mechanisms.