The objective is to have an initial approach on how ethical and environmental values integrate into a company's Strategy. Sustainable development, initially perceived as an environmental, economic, political and social constraint, can also create value for the stockholders if the Company succeeds in redefining its mission and its vision by associating a societal project with its purely economic project. The four examples of applications shown here prove it. The quiz will allow you to check that you have understood the concepts which this Knowledge Pill develops. As usual, the information is complemented by a glossary and by a bibliography.