yr ▁( 2 3 % / 1 0 % / 6 8 %) ▁per ▁cap ita : ▁ 5 8 . 9 ▁m ³ / yr ▁( 2 0 0 5 ) ▁ ▁Natural ▁ha z ards : ▁Rec ent ▁lim nic ▁er u ptions ▁with ▁release ▁of ▁carbon ▁dio x ide : ▁from ▁Lake ▁Mon oun , ▁ 1 5 ▁August ▁ 1 9 8 4 , ▁killing ▁ 3 7 ▁from ▁Lake ▁Ny os , ▁ 2 1 ▁August ▁ 1 9 8 6 , ▁killing ▁as ▁many ▁as ▁ 1 , 8 0 0 ▁ ▁Environment ▁– ▁current ▁issues : ▁water - bor ne ▁dise ases ▁are ▁pre val ent ; ▁def or est ation ; ▁over gra zing ; ▁desert ification ; ▁po aching ; ▁over f ishing ▁ ▁Environment ▁– ▁international ▁agre ements : ▁party ▁to : ▁B iod iversity , ▁Cl imate ▁Change , ▁Des ert ification , ▁End anger ed ▁Species , ▁Haz ard ous ▁W ast es , ▁Law ▁of ▁the ▁Sea , ▁O zone ▁L ayer ▁Prote ction , ▁Trop ical ▁Tim ber ▁ 8 3 , ▁Trop ical ▁Tim ber ▁ 9 4 , ▁W et lands , ▁Wh aling ▁signed , ▁but ▁not ▁rat ified : ▁N uc lear ▁Test ▁Ban ▁ ▁Geography ▁– ▁note : ▁sometimes ▁referred ▁to ▁as ▁' the ▁h inge ▁of ▁Africa ; ' ▁throughout ▁the ▁country ▁there ▁are ▁areas ▁of ▁thermal ▁spr ings ▁and ▁indic ations ▁of ▁current ▁or ▁prior ▁vol can ic ▁activity ; ▁Mount ▁Cam