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
Brass River new trade. The prominent Nigerian journalist and nationalist John Payne Jackson at first wanted to be a merchant. After traveling throughout West Africa, in the late 1860s he found work with the prominent Lagos merchant J. S. Leigh. He was sent to the Brass River in the 1870s to manage Leigh's station there. Jackson branched out into trading palm products on his own account, but was forced out of business by European competitors, an experience that may have affected his outlook towards Europeans. S. A. Crowther, Bishop of Niger Territory, reported in 1885 that the native converts at Nembe, Brass