Based on the questionnaire survey of tourists, the current knowledge and awareness of garbage classification of tourists were understood. The difference of garbage classification awareness was discussed by groups, and OLS model was further established to test the influence of group identity on tourists' garbage classification awareness. The results show that group identification has a significant positive impact on tourists' awareness of garbage classification. Tourists from the first batch of pilot cities have a higher awareness of garbage classification than those from non-pilot cities, and the scene has no significant impact on tourists' awareness of garbage classification.
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