The Board of Trustees on Ogoni cleanup has described the initial $1 billion earmarked for the project as unrealistic in the face of rising exchange rate of the naira.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/1b-no-longer-realistic-ogoni-cleanup-says-governing-council
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/guardian-nigeria
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/oil-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nigeria
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/unep
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa