Stephen M. Gardiner is Professor of Philosophy and Ben Rabinowitz Professor of the Human Dimensions of the Environment at the University of Washington, Seattle. He is the author of A Perfect Moral Storm: The Ethical Tragedy of Climate Change (2011), and co-author of Debating Climate Ethics (2016). His edited books include The Ethics of "Geoengineering" the Global Climate (2020), The Oxford Handbook of Environmental Ethics (2016), and The Oxford Handbook of Intergenerational Ethics (2022).

Arthur R. Obst is a PhD Candidate at the University of Washington, Seattle, who has lived his whole life in the shadow of climate change, a force that has brought not only environmental crisis but a conceptual crisis for environmentalists. He is dedicating his scholarship to addressing both.