In this article in The Conversation, Mark Reiff, a research affiliate in legal and political philosophy in the College of Letters and Science, details the history and dangers of violent language in politics.
Violence during climatic change has evidence in history. University of California, Davis, researchers said they have have found a pattern of increased violence during climatic change in the south central Andes between A.D. 470 and 1500. During that time, which includes the Medieval Climatic Anomaly (ca. A.D. 900-1250), temperatures rose, drought occurred, and the first states of the Andes collapsed.