Living with long-term oil pollution in the Niger Delta

The devastating oil spill in the Gulf of Mexico has led us to consider the effects of oil contamination in other parts of the world. Nigeria’s oil-rich Niger Delta is considered to be the world capital of oil pollution. But it’s a violent place ? armed gangs attack people who work for the oil industry, kidnapping workers and blowing up pipelines ? and the area is under the control of the Nigerian military.

The BBC’s Caroline Duffield has just got back from a reporting trip to the Niger Delta and shares her impressions from Lagos, Nigeria.