People living at mountainous high altitudes account for only 10 percent of the world’s population, spread out over roughly 25 percent of the Earth’s surface, and yet they also are responsible for a huge portion of the world’s most violent and persistent conflicts. The reason for this correlation between altitude and violence isn’t entirely understood, but there are several factors contributing to the effect the geography of mountain living undoubtedly plays in conflict. Journalist and foreign correspondent Judith Matloff has spent her career covering conflict across the world. She has been a leading pioneer in safety training for journalist abroad and now teaches conflict reporting at the Columbia Graduate School of Journalism.

Matloff first noticed this geographical trend of violence when her 10-year-old son asked her to point out all the places she’s covered conflict on a globe. The boy quickly pointed out a curious pattern; that they all took place in mountainous regions. Since then, Matloff has thoroughly investigated the trend of violence in high altitude areas, which has led to the publication of her book No Friends But the Mountains: Dispatches from the World’s Violent Highlands. In this eye opening discussion with Josh Zepps, Matloff explains the various reasons why these relatively small and isolated areas see so much trouble, and shares her thoughts on the growing dangers to journalists around the world.