Everyday life of current generations is unthinkable without the use of the Internet, mobile and other electronic devices. In this paper will first be analyzed the energy policy of European Union and also the position and commitments of the Republic of Croatia in it. In addition, it will be defined what is e-commerce and green IT, which is more popular every day because of its many benefits. With the modernization of the market and with the introduction of new ways of doing business based on IT, new ways of product distribution are being introduced. Nowadays, web stores that make it easy for people to buy products are especially popular, and this is one of the elements addressed in this paper. In addition, there will be research about online store users' perceptions and online shopping habits and about awareness of the environmental advantages and disadvantages of online shopping. In the end of the conducted research, collected results will be analyzed and interpreted. An example of an e-commerce or precisely example of the online store that is based on the exchange of goods (clothing, shoes, cosmetics and fashion accessories) will be developed. The results of the conducted research will help in creating the offer and in developing the business. This online store will be special because it will be based exclusively on the exchange of goods and will not be using cash transactions. All aspects of the business such as business partners, competition, SWOT analysis, digital marketing will be analyzed, also and design of the mobile app and website will be shown in the paper. The goal of the paper is to get acquainted with online store based on the exchange of goods because this type of store is still quite unexplored and undefined on the market. The aim is also to encourage environmental concerns and awareness of people about future generations.