The Modernity, whose identity sign is the dialectic tension, has been raised over two great revolutions: the scientific and the industrial. But, an uncontrolled industrial process and population explosion, stimulated by a great energetic omnivorism, enabled by an incessant technological evolution, have caused a worldwide environmental crisis. Nowadays, this problem has turned into the most important challenge of the humankind. Traditionally, the ecology debates have been arranged around two great stances: the environmentalism and the deep ecology. Nevertheless, both struggle for the conservation of the planetary biodiversity, the Deep Ecology Movement concludes, after a deep analysis, that the origin of this situation dates back to the Illustration. As a result, they idealize a post-industrial horizon which will lead us towards the desirable pre-industrial future.