When a war erupts, as in Darfur, most policymakers look for a political explanation and a political solution. This is understandable, but it misses a basic point. By understanding the role of geography, climate, and population growth in the conflict, we can find more realistic solutions than if we stick with politics alone.
Extreme poverty is a major cause, and predictor, of violence. The world's poorest places, like Darfur, are much more likely to go to war than richer places. This is not only common sense, but has been verified by studies and statistical analyses. In the UNEP's words, "There is a very strong link between land degradation, desertification, and conflict in Darfur."