the UN : When Amoco started drilling for oil in Angola a few years ago, Exxon and Chevron had already landed some of the richest oil fields and could easily outbid their smaller rivals for others.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/companies-finding-new-business-partner
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/international-herald-tribune-bangkok
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment