Industrial Waste Management is one of the serious problems in the era of industrialization. Therefore waste management must be handled early during the production process. This means that the waste treatment process must be carried out from upstream to downstream. This study aims to build a waste management optimization model with quantitative analysis conducted through focus group discussions and in-depth interviews that combine the results of producer and consumer interviews. The results showed that there are many aspects related to waste from the tofu industry in the Abian Body Village, so it made waste optimization very important.

What is not included in the waste originating from daily activities in household life is feces and specific waste (requires special management/ B3 waste). The impact of household waste can affect environmental pollution such as reducing water quality which will result in the level of health of living things and the environment. As for this, it has been stated in the government regulation of the Republic of Indonesia Number 81 of 2012 concerning the Management of Household Waste and Similar Household Waste.The lack of concern for the household environment itself, the lack of garbage disposal sites and the lack of firmness in law enforcement for violators are some of the obstacles that occur in the community in managing household waste. There are several ways of planning and managing household waste that can be done, such as by doing recycling, burning, separating, composting and decaying waste.

Sanitation is a control over all factors of the human physical environment which can / can have adverse effects on human life, both physically and mentally. Environmental cleanliness is closely related to the health of the surrounding community, various problems are often caused by a lack of information received by the community. The results of research using this descriptive method are to describe the knowledge, attitudes and actions of the community on the coast of Ballona beach Taliwang District, West Sumbawa Regency regarding environmental sanitation, which was carried out in September - October 2020 in Taliwang District for 97 respondents and data collection methods. which is used is the use of methods of observation (observation) and interviews (questionnaire and SPSS as  a  research instrument.       People who live on the coast  of Ballona beach Taliwang district which have good knowledge about sanitation are    39  respondents (40.2%),  which has sufficient knowledge of 51 respondents (52.6%) and  7 respondents (7,2%) who have poor knowledge of sanitation. Meanwhile, the coastal communities of Ballona beach Taliwang District who had positive attitudes towards sanitation were 46 people (47.4%) and negative respondents were 51 (52.6%) people and 0 respondents who had good actions regarding environmental sanitation. There were 34 respondents (35.1%) who had sufficient action in the coastal area of the coast of Taliwang District and 63 respondents (64.9%) had unfavorable actions.

The amount of plastic waste continues to increase every day along with the increasing number of products and consumption patterns of the millennial generation. The only way to overcome this increasing volume of plastic waste is to reduce the amount of plastic waste from its source by encouraging millennials to care about the use of goods and services. The problem in this study is to explain how the role of sustainable living of the millennial generation in plastic waste management and how the current level of sustainable living of the millennial generation. This research uses a descriptive method to describe how millennials' sustainable living in reducing plastic waste. The results show that as a form of millennial generation participation in efforts to improve the environment, millennials have implemented sustainable living in their daily lives such as using tumblers, bringing their own shopping bags, sorting waste starting from their own home environment. The current millennial generation contributes to the practice of sustainable living doing these activities without being forced. They fall into the moderate category where they play a role in plastic waste management but still do not do it fully