Increasing temperature exacerbated Classic Maya conflict over the long term

The impact of climate change on conflict is an important but controversial topic. One issue that needs to be resolved is whether or not climate change exacerbates conflict over the long term. With this in mind, we investigated the relationship between climate change and conflict among Classic Maya polities over a period of several hundred years (363–888 CE). We compiled a list of conflicts recorded on dated monuments, and then located published...