A United Nations Development Programme (UNDP) report states that there have been a total of 6,817 oil spills between 1976 and 2001, which account for a loss of three million barrels of oil, of which more than 70% were not recovered.. 
 ó wà ní 40km sí ìwọ̀-oòrùn tí Thodo Doudou, Limpopo, South Africa.. 