In the melting Arctic, communities are racing to maintain their way of life. In the rising Pacific, residents are sounding alarm bells. And in Rhode Island, Kate Schapira and her husband are not having a baby. Fears about climate change are prompting worldwide action, but one knock-on effect in the United States is mounting anxiety about everything from plastics to class-based environmental disparities. Schapira, a 40-year-old senior lecturer in the English department at Brown University, is addressing that unease in a number of ways. The decision not to have children was not just about concern for their future wellbeing amid...