Katy Waldman: “There is something counterintuitive about cli-fi, about the fictional representation of scientifically substantiated predictions that too many people discount as fictions. … Literature has always been a humanist endeavor: it intrinsically and helplessly affirms the value of the species; its intimations of meaning energize and comfort. But what if there is scant succor to be had, and our true natures are not noble but necrotic, pestilential?”