Conflict Diamonds A National Geographic Special on conflict diamonds. I am a mining specialist, not a conflict specialist. But on my recent trip to Sierra Leone, I was struck by the ever-present…

Christopher Sheldon |

A cup of coffee in Caracas costs almost 200 times a liter of gasoline. Households in Turkey paid 74 times more than their Egyptian counterparts for bottled cooking gas in early 2013. The price…

Masami Kojima |

Film is a powerful tool for explaining environmental issues. I first learnt this lesson while trying to enlist local communities in northern Vietnam to help protect a strange blue faced and…

Leo Bottrill |