Nigeria: The case against Shell: the hanging of Ken Saro-Wiwa

Almost a fifth of the oil imported by the U.S. comes from Africa, and in the decade to come this percentage will rise. The eastern part of Nigeria, from which Big Oil has pumped more than a trillion dollars worth of black gold since the 1960s, remains the poorest part of the country, and one of the most ravaged and polluted on earth. Thousands of gas flares have burned for decades, generating acid rains that have poisoned fisheries and crops.