Ni ona ti o gbooro, afefe je ipo ti awon eya ara ero ti eto afefe, pelu afefe, hydrosphere, cryosphere, lithosphere ati biosphere ati awon ibaraenisoro laarin won.. 
Ẹkpo ti ko Eko ni North Carolina Agricultural and Technical State University, Greensboro, North Carolina láti 1981 sí 1983.. 