This book gathers contributions from leading political philosophers on the justice and legitimacy of engineering the planet on a global scale.

The chapters in this book were originally published in the journals: Ethics, Policy and the Environment and Critical Review of International Social and Political Philosophy.

Stephen M. Gardiner is Professor of Philosophy at the University of Washington, Seattle, and is author of A Perfect Moral Storm: the Ethical Challenge of Climate Change and Debating Climate Ethics, as well as many articles on climate justice and the ethics of geoengineering.

Catriona McKinnon is Professor of Political Theory at the University of Exeter, author of Climate Change and Future Justice and numerous articles on climate ethics and justice.

Augustin Fragnière is a trained philosopher and environmental scientist, who has published on climate ethics, geoengineering and sustainability theory.