Attention and Sentiment of the Chinese Public toward a 3D Greening System Based on Sina Weibo

Abstract

The rapid development of global urbanization over the years has led to a significant increase in the urban population, resulting in an imbalance in the urban green space structure. Transforming the urban 2D space green quantity into a 3D space green quantity to create 3D greenery systems (TGS) is a space resource that cannot be ignored in the process of urban green space expansion. This research gathered and analyzed Sina Weibo post information and user information related to TGS to investigate the changing trend of attention status and emotional orientation of the Chinese public on TGS. We employed web crawler technology and text mining to search and analyze the data on the Sina Weibo platform. This research aids policymakers and stakeholders in comprehending the general public’s perspective on TGS and showing the transmission channel of public sentiment and the origins of negative sentiment. Results indicate that the public’s attention to TGS has greatly increased since the shift in the government’s idea of governance, although it still needs improvement. Despite TGS’s good thermal insulation and air purification effects, 27.80% of the Chinese public has a negative attitude toward it. The public’s negative sentiment of TGS housing is not solely due to pricing. The public is mainly concerned about the damage to the structure of buildings caused by TGS, the subsequent maintenance of plants, the increase in indoor mosquitoes, and lighting and humidity problems. This research helps decision makers understand the public opinion communication process via social media and provides corresponding solutions, which is of great significance for the future development of TGS.

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