This book states that the new environmental challenge will also have to be faced ethically, science can provide the tools, but people will have to be sensitized so that they make their own environmental ethics. The challenge of the new era is: the environment and therefore the climate, as it does not start outside of us, but as a constituent element of our life and therefore lived ethically. The new vision proposed in this book is to push technology together with the human being, in assuming environmentally ethical behaviors: this is the greatest collective action of humanity. Sustainable development has allowed an integrated key to the social, economic, and environmental dimensions. Through ethics, sustainability can be combined not only by referring to the problem of pollution and the exploitation of natural resources, but it creates a new global era that includes all dimensions of people's lives and of society. The shared and structured environmental ethics allow an approach that is no longer short-term but provide the collective tools to look far in time. With this book, we want to lay the instrumental, technical, social, and legislative foundations, to provide a new methodology for the care of the environment, as up to now, there has been much discussion, but little achieved in a truly ethical way.