Chinese Public Perception of Climate Change on Social Media: An Investigation Based on Data Mining and Text Analysis

Table 1

Top20 keywords with TextRank and TF-IDF.

Rank	Text Rank	TF-IDF
1	Climate change	China
2	China	Global
3	Global	Zheng Shuang
4	Development	Address
5	Address	Earth
6	Climate	Climate
7	U.S.	Development
8	Earth	Action
9	Nation	Green
10	World	World
11	Problem	U.S.
12	Green	Protect
13	Cooperate	United Nations
14	Influence	Influence
15	Research	Problem
16	Environment	Humanity
17	Humanity	Environment
18	Action	Together
19	Protect	Cooperate
20	International	Conference