Analysis of waste generation variables and people's attitudes towards waste management system: a case of Bangkok, Thailand

Having accurate data of municipal solid waste generation amount is an indispensable factor for effective planning of a waste management system. However, to have accurate estimation, significant waste generation factors have to be identified. In this study, Bangkok is selected as representative of urban cities in developing countries. The city has coped with consequences of a vast amount of waste generation and ineffective waste management system for years. The study aims to examine influential variables affecting generation amount and management problems in Bangkok based on people's attitudes. Questionnaire surveys and interviews are methods of acquiring primary data. To verify reliability of obtained data, statistical analyses are conducted using the methods of descriptive analysis, hypothesis test, and Pearson correlation. The study shows seven influential waste generation variables. In addition, to learn the exact situation of waste management system, interview results are qualitatively evaluated using stakeholder analysis and TOWS matrix. Stakeholders' points of concerns and suggested waste management solutions are identified for using in the formulation of waste management plan. The results of this study can facilitate a thorough evaluation as inputs of future research for sustainable waste management system.