Economy of Nigeria imports a significant amount of food to sustain itself. However, efforts are being made towards making the country food sufficient again. Nigeria's proven oil reserves are estimated to be ; natural gas reserves are well over . Nigeria is a member of the Organization of Petroleum Exporting Countries (OPEC). The types of crude oil exported by Nigeria are Bonny light oil, Forcados crude oil, Qua Ibo crude oil and Brass River crude oil. Poor corporate relations with indigenous communities, vandalism of oil infrastructure, severe ecological damage, and personal security problems throughout the Niger Delta oil-producing region continue to plague Nigeria's
Ibo (Mozambique) Ibo (Mozambique) Ibo is one of the Quirimbas Islands in the Indian Ocean off northern Mozambique. It is part of Cabo Delgado Province. It grew as a Muslim trading port. Vasco da Gama reportedly rested on the island in 1502. The island was fortified in 1609 by the Portuguese. In the late eighteenth century, Portuguese colonialists built the Fort of São João, which still survives, and the town, as a slave port, became the second most important in the region after Mozambique Island. The island is now a far quieter place, known for its silversmiths. Ibo forms part of the