Sustainability is a term that covers a very broad concept. Under this concept can be grouped everything that has to do with the environment, ecology, the way of living responsibly in society and concern for the future. To describe this term, reference is often made to the three P rule: People, Planet and Profit. The goal of sustainability is that these three elements can be balanced. On the one hand, the individual wants to make money and enjoy the resulting well-being. At the same time, we must also ensure that other individuals and the environment do not suffer. Otherwise it would mean that the common future of humanity is in danger. If we eat more than the planet can sustain, we abuse it and deplete its natural resources faster than it can produce. To calculate whether a person, a company, a country, a product... is sufficiently durable, the term 'ecological footprint' (link building) is often used. How to precisely define sustainability with a clear definition. The World Commission on Environment and Development (Link to the commission's website) of the United Nations gives the following definition in its report “Our common future”. Sustainable development is linked to contemporary needs without compromising development and endangers the specific needs of the future. generations.''Without retracing the history of this company, let us remember that it is a new company, founded in 1984. It quickly positioned itself in a particular way on the market as it opted for direct marketing and offered its customers configurable their machines independently. We will draw on Dell's experience to offer a complete case study that will allow us to concretely understand how the multinational has responded to market changes; including, let's remember, f...... half of the paper...... its entire environmental policy, which I tried to implement during my research. Some of my proposals have been implemented; others are still in the reflection phase. Therefore, Codalis hired a sustainable development specialist to take the business process forward. It should also be emphasized that investing in sustainable development is not synonymous with losing money since even short-term investments can be recovered. For example, the 100% electric car solution analyzed in this work has allowed a very significant economic gain, even if the investment seems excessive at first glance. This work has allowed me to perceive the scope of green solutions that exist today and continue to grow. Attitudes are changing and the world is moving smoothly towards a more humane and environmentally friendly world. However, there is a lot to do and I sincerely hope that we are on the right path