Juliana Ruhfus finds that the lucrative mining of the ore coltan from which tantalum is extracted, and used in the production of mobile phones, is at the root of the war in Congo.

Marcel Theroux investigates life and conditions in Chechnya and how European governments are deliberately ignoring Russian atrocities and oppression in order to maintain good diplomatic and business relations with Russia.

Sandra Jordan looks at the American policy of trying to solve its cocaine drugs problems by eradicating coca production in Bolivia and the consequences and effects this has on the country and its population.

Saira Shah finds that the oil boom in Colombia has caused an increase in misery and violence for much of the population.

Imran Khan travels around Pakistan to reveal attitudes towards America, Osama Bin Laden and the military campaign and bombings in Afghanistan.

Jonathan Miller looks at the economic growth of China and the price behind such economic success in terms of society and the treatment of workers.

Kim Willsher reports on the impact of the European Union's fishing agreement on fishermen in Mauritania.