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 must be made with the kings ... The slave trade up the Brass is carried on by agents from the and from the Havannah. King Peppel seldom makes good his engagements, He may be concerned in the slave trade on the Brass River. There have been no slave vessels at Bonny since the treaty with King Peppel, and the trade in the creeks of the Brass River is much reduced." The report included the testimony of Captain Gentle Brown, who said, On 17 November 1856 Thomas Joseph Hutchinson, Her Britannic Majesty's Consul for the Bight of Biafra and the Island