g overn ment al ▁organization , ▁claimed ▁that ▁labor atory ▁anal ys es ▁of ▁to xic ▁industrial ▁chemical s ▁in ▁the ▁river ▁waters ▁and ▁clin ical ▁data ▁of ▁people ▁in ▁the ▁waters hed ▁revealed ▁that ▁the ▁Mod jo ▁is ▁one ▁of ▁the ▁two ▁most ▁poll uted ▁rivers ▁in ▁Eth iop ia . ▁ ▁References ▁ ▁Further ▁reading ▁▁ ▁Mario ▁S ag ria , ▁et ▁al ia , ▁" Lat est ▁Ple ist oc ene ▁and ▁Hol oc ene ▁river ▁network ▁evolution ▁in ▁the ▁Eth iop ian ▁L akes ▁Region ", ▁Ge omorph ology , ▁ 9 4 ▁( 2 0 0 8 ), ▁ 7 9 – 9 7 . ▁ ▁Category : R ivers ▁of ▁Eth iop ia <0x0A> </s> ▁De le ▁O lo j ede ▁( born ▁ 1 9 6 1 ) ▁is ▁a ▁Niger ian ▁journalist ▁and ▁former ▁foreign ▁editor ▁for ▁News day . ▁He ▁is ▁a ▁winner ▁of ▁the ▁Pul itzer ▁Prize ▁for ▁his ▁work ▁covering ▁the ▁after math ▁of ▁the ▁R wand an ▁gen o cide . ▁He ▁serves ▁on ▁the ▁board ▁of ▁E AR TH ▁University , ▁in ▁Costa ▁Rica , ▁and ▁of ▁The ▁Mark up , ▁the ▁New ▁York - based ▁investig ative ▁journal ism ▁organization ▁focused ▁on ▁the ▁impact ▁of ▁large ▁te ch ▁platforms ▁and ▁their ▁potential ▁for ▁human ▁manip ulation . ▁He ▁is ▁the ▁founder ▁and ▁host ▁of ▁Africa ▁In ▁the ▁World , ▁a ▁hearts ▁and ▁minds ▁festival ▁held ▁ann ually ▁in ▁St ellen bos ch , ▁in ▁the ▁Cape ▁win el ands