The crisis ignited by COVID-19 has transformed the volume and composition of waste generation and requires a dynamic response from policy makers. This study selected Bangkok as a case study to semi-quantitatively examine the impact of the COVID-19 outbreak on consumer-generated food and plastic waste by examining changes in lifestyles and consumption behaviour through a face-to-face questionnaire survey. Travel bans and diminished economic activity due to COVID-19 have led to a dramatic reduction in waste from the business sector and in the total amount of municipal waste generated. However, the results of the survey showed that both food and plastic waste generated by households in Bangkok increased during COVID-19. The shift from eating out to online food delivery services led to an increase in plastic bags, hot-and-cold food bags, plastic food containers, and food waste. Reasons for the increase in household food waste during COVID-19 varied, with respondents citing excessive amounts of food and unappetising taste, followed by exceeding the expiration date and rotting/foul odours. These reasons may be the result of the inability to predict quantity and quality when ordering online, and inadequate food planning and management by consumers. To achieve more effective food and plastic waste management, home delivery services, consumer food planning and management, and the formation of a circular economy based on localised supply chains may be considered as important intervention points.

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Urban food waste issues in developing economies have recently attracted the attention of policymakers, practitioners, and academics in the course of implementing the Paris Agreement and the SDGs. In our case study city of Bangkok, Thailand, household food waste generation doubled from 2003 to 2018, with a similar increase in per capita amounts. Using an extensive literature review, statistical models, and a questionnaire survey, the authors clarified factors influencing food waste generation and separation before disposal, and reuse/recycling activity in urban households. Results showed that pre-purchase checks can not only prevent food waste but can also increase the reuse/recycling of food waste. Citizens with higher levels of education and those showing more concern about social issues and global warming are more likely to separate food waste before disposal and to participate in reuse/recycling activities. Finally, this paper proposes a seven-stage action-based model of integrated strategies for improving household food and food waste management to prevent/reduce food waste generation as well as remedy existing policy gaps in Bangkok.

This examination is to consider the effect of the biofuel business incorporates ethanol and biodiesel, to Thailand's Economy by utilizing Input-Output examiner. Thailand's Alternate Energy Development Plan (AEDP) has been advancing the biofuel business persistently in the previous ten years by sponsoring biofuel items and propelled command strategy. This arrangement is concentrating on expanding residential elective vitality use to supplant petroleum derivative imports and increment inside vitality security. In any case, the test of this industry is the items' value seriousness with customary fuel, and appropriation is required to cause this industry to continue in the market. Right now, we have constrained information about the monetary ramifications. The principle goal of this investigation is to concentrate on the effect of the biofuel business on every industry part and an total yield of Thailand's economy. Thus, the biofuel business can expand the complete yield of the Thai economy, family unit pay. Nonetheless, this industry has a somewhat negative on expense and worth included. From upsides and downsides correlation, despite the fact that the administration marginally misfortune advantage in duty and worth included, yet that advantage goes to family unit salary. Thus, biofuels advancement is suggested.