Abstract
The need for effective solid waste management (SWM) is an important environmental and public health issue. As a key way of minimizing municipal solid waste (MSW), source separation has in recent years become the centre of discussion in China. Following the example of Shanghai, the city of Zhengzhou introduced its mandatory waste separation measures on 1 December 2019. But does the mandatory regulation work? This study aims to investigate the waste separation behaviour of college students in Zhengzhou under the mandatory regulation and the motivations behind students’ behaviour. A questionnaire-based survey was carried out on 62 university campuses in Zhengzhou City, and a total of 1747 valid questionnaires were completed across these campuses and analysed. It was found that under Zhengzhou’s mandatory measures, college students do have a basic knowledge of waste separation and most are familiar with where kitchen waste should be placed, but they have problems categorizing some recyclables such as glass, hazardous waste such as lightbulbs and other waste such as cigarette butts and napkins. It was also found that college students’ waste separation behaviour, their attitude towards waste separation and the convenience of waste sorting facilities in Zhengzhou in the mandatory era have been improved compared to the era prior to mandatory waste separation. The results also indicate that most of college students (86.7%) always or sometimes undertake waste separation, and students majoring in science and senior year undergraduates are more likely to participate in the practice of waste separation. Other influencing factors of college students’ waste separation behaviour include convenience of waste sorting facilities, their willingness to separate waste, knowledge of a related field, attitude towards waste separation, peer pressure as well as the existence of a reward and penalty system. Management strategies for improving college students’ waste separation behaviour under mandatory regulation are also discusses and a number of recommendations for improvement are made.
Highlights
Improper and inefficient disposal of municipal solid waste (MSW) is often related to various environmental and public health problems [1,2]
To understand Chinese college students’ waste separation behaviour, a single-choice question was asked: ‘do you participate in waste separation?’ 232 (13.3%) respondents said ‘never’ (Table 2), 311 (17.8%) said ‘always’, while more than half (68.9%) said ‘sometimes’
The results suggest two factors that matter the most when Zhengzhou’s college students decide whether or not they would participate in waste separation, and these were how easy it is to access rubbish bins (28.1% would do if it is easy and 45.5% would not do if it is not easy) and how much trouble (27.1% would do if less trouble and 31.5% would not do if more trouble) is involved when separating the waste
Summary
Improper and inefficient disposal of municipal solid waste (MSW) is often related to various environmental and public health problems [1,2]. China has been battling its rapidly increasing MSW in recent years. According to the Ministry of Housing and Urban-Rural Development of the People’s. Republic of China [3], the quantity of MSW produced in China increased 7.3 times, from 31.32 million tonnes in 1980 to 228.2 million tonnes in 2018 while during the same period China’s GDP increased. 73 times, from 191 to 13895 billion USD [4]. MSW source separation has been widely recognized as. Res. Public Health 2020, 17, 8190; doi:10.3390/ijerph17218190 www.mdpi.com/journal/ijerph
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