The era of good feeling has ended. Global warming is now being used, often explicitly, to advance broader causes in a partisan political environment that shapes the United States, the United Kingdom, Australia, and much of the world. This fact goes a long way toward explaining the heightened levels of alarmism that characterize the current conversation about climate change. Up until the 2018 midterm congressional elections, climate change was deemed such a peripheral campaign issue in the US that there was not a single question about it in a general election debate. Things then changed very
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