The question of ethics is at the heart of both, relationship with nature and, pedagogical relationship. This article strives to present this by building upon their common origin : the Socratic question of “how should we live ?”. But beyond that, we will analyze how Gerald Hess’s classification of different environmental ethics and Frédérique Lerbet-Sereni’s different educational positions, converge and coincide with three broad categories of Western moral thought. Convergences will then be highlighted, and allow to defend the relevancy of thinking about teachers professional ethic within a complex ethical life, integrating pedagogical relationship and relationship with nature.