This book is not only an educational tool but also a guide for all those who want to start the path to entrepreneurship and better those who are already there, this work offers explanations on the right way to undertake in a responsible manner that is to say while respecting and taking into account environmental issues which should not also be neglected in the pursuit of a healthy profit, Green entrepreneurship encompasses economic activities, technologies, products and services which limit greenhouse gas emissions, reduce the ecological footprint, minimize pollution and save resources.Green entrepreneurship constitutes a new economic dynamic that is evolving in the context of growing awareness of global environmental issues. It takes into account the objectives of sustainable development through the green economy.According to the UNEP - United Nations Environment Program report, the private sector could contribute more than 80% of the capital needed to deal with the consequences of climate change. The report also highlights the expected benefits for SMEs.