Think Progress: Oil is seen on the creek water's surface near an illegal oil refinery in Ogoniland, outside Port Harcourt, in Nigeria's Delta region. A region of Nigeria's oil-rich southern delta suffers widespread ecological damage as spilled oil seeps into its drinking water, destroys plants and remains in the ground for decades at a time.
What`s been described as the most wide-ranging and long-term oil clean-up plan in history was launched in Nigeria Thursday to restore hundreds of square miles of Delta swamps...