The devastation of Hurricane Ida and the global threats of climate change are not on the fringe of bioethics. They call to mind the language of priority-setting typical of bioethics discourse. Who lives and who dies? What can be accomplished with prevention and more levees? And if more are built, how do we set priorities with limited resources?

Daniel Callahan's final interview was with an undergraduate eager to learn about bioethics. "I could tell that bioethics was far more than a job to him," she writes.