Firefighters try to control a blaze as it spreads toward the towns of Douglas City and Lewiston in California on July 31, 2018.
Credit: Mark Ralston/AFP/Getty

Over the last couple of decades, as the impact of global warming has intensified, the discussion of climate change has spilled out of the scientific and technocratic circles within which it was long confined. Today, the subject has also become an important concern in the humanities and arts.

Discussions of climate tend to focus on the future. Yet even scientific projections depend crucially on the study of the past: Proxy data, such as tree rings, pollen deposits, and ice cores, have proved indispensable for the modeling of the future impact of climate change. Based on evidence of this kind, scientists can tell us a great deal about how trees, glaciers, and sea levels will respond to rising temperatures.

But what about the political and social impact of global warming? What effects might a major shift in climate have on governments, public institutions, warfare, and belief systems? For answers […]

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