Theft from the billion-dollar oil clean-up in Ogoniland is so bad that the operation s chief architect, the UN Environment Programme, wants to quit, The UN Environment Programme is set for a bitter break with Nigeria over the clean-up of pipeline spills in the Niger delta despite almost 15 years of close cooperation, Africa Confidential understands. The UN s withdrawal would have grave repercussions because the billion-dollar clean-up plan, financed by western oil companies and the Nigerian National Petroleum Corporation (NNPC), was meant to establish a template for environmental remediation in countries across the world where oil production has destroyed farmland and fisheries.