Several theories link climate change to armed conflict. But how do they stack up against the evidence? There is evidence that climate change can extend or increase existing conflict, however there are several competing theories about exactly how this happens. We put the theories to the test.
While there is evidence that climate change can exacerbate conflict, it is still unclear exactly how one causes the other. It may not be possible to describe a causal mechanism that is true in every case. Rather different mechanisms will operate in different situations and locations.
