Enrique Leff is Emeritus Professor in the Institute for Social Research and the Faculty of Political and Social Sciences at the National Autonomous University of Mexico (UNAM) and Emeritus Researcher at the National Council of Humanities, Science and Technology, Mexico. He was the former Coordinator of the Environmental Training Network for Latin America and the Caribbean at the United Nations Environment Program. He is the author of Political Ecology: Deconstructing Capital and Territorializing Life (2021) and Green Production: Towards an Environmental Rationality (1995).

• 1. Prolegomena 2. Being/Life: Heidegger in Face of the Environmental Question 3. The Phenomenology of Life and the Facticity of Human Existence 4. The Fundamental Concepts of Metaphysics, the Ontological Turn and the Order of Life 5. The Environmental Question and the Paths of Thinking: the History of Being and the Immanence of Life

Enrique Leff is Emeritus Professor in the Institute for Social Research and the Faculty of Political and Social Sciences at the National Autonomous University of Mexico (UNAM) and Emeritus Researcher at the National Council of Humanities, Science and Technology, Mexico. He was the former Coordinator of the Environmental Training Network for Latin America and the Caribbean at the United Nations Environment Program. He is the author of Political Ecology: Deconstructing Capital and Territorializing Life (2021) and Green Production: Towards an Environmental Rationality (1995).

• 1. Prolegomena 2. Being/Life: Heidegger in Face of the Environmental Question 3. The Phenomenology of Life and the Facticity of Human Existence 4. The Fundamental Concepts of Metaphysics, the Ontological Turn and the Order of Life 5. The Environmental Question and the Paths of Thinking: the History of Being and the Immanence of Life

Enrique Leff is Emeritus Professor in the Institute for Social Research and the Faculty of Political and Social Sciences at the National Autonomous University of Mexico (UNAM) and Emeritus Researcher at the National Council of Humanities, Science and Technology, Mexico. He was the former Coordinator of the Environmental Training Network for Latin America and the Caribbean at the United Nations Environment Program. He is the author of Political Ecology: Deconstructing Capital and Territorializing Life (2021) and Green Production: Towards an Environmental Rationality (1995).

• 1. Prolegomena 2. Being/Life: Heidegger in Face of the Environmental Question 3. The Phenomenology of Life and the Facticity of Human Existence 4. The Fundamental Concepts of Metaphysics, the Ontological Turn and the Order of Life 5. The Environmental Question and the Paths of Thinking: the History of Being and the Immanence of Life