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E-commerce is being a big growth in global commercial because of its ease and no need for the real store. The value of E-commerce in Thailand is predicted to be 4.67 trillion Baht in 2021. However, Thailand has been facing several environmental problems such as waste, congestion and pollution. Therefore, the objective of this paper is to acknowledge the basics of environmental impact by using intensive review and in-depth interview from experts in E-commerce to find out the E-commerce processes and activities in Thailand and also analyzing the activities that impact on the environment. The study found that when the value of E-commerce in Thailand has been increased which means the more frequently purchase of products, the more waste is produced because of individual packaging. Then analyze E-commerce activities from E-commerce partner that impact on environment and found the E-commerce processes that impact on the environment which are firstly, the process of repacking produces waste from additional packaging, secondly, the process of customer purchasing from searching for products to placing an order has impact on environment in terms of energy use and device charging. Finally, the delivery process also has impact on environment because of the energy used and pollution.

Thailand uses the ballot paper in the general election since 1933. In the present day, technology has been involved in daily basics. This study aims to explore the hypothesis of the election system in Thailand which can use the technology in the election process name as electronic voting (e-voting) or still need to use the traditional method. Before implementation, it should study in terms of the area that is ready to implement the new method and where still need to use the current one. This study takes the relevant factors to analyze with the data of each area collected from various sources. The clustering method used in this study is k-means. Then to find the acceptable k cluster the silhouette method is used. The result is 2 cluster is a perfect fit with the 11 factors that used in this study. The first cluster is Bangkok which is the capital city to be matched with the e-voting method and the second cluster is the remainder province in Thailand (76 provinces). This can be used for the next study in terms of supply chain design for e-voting and developing the ballot paper logistics.