0 ▁million ▁m ³ per ▁day . ▁This ▁is ▁equivalent ▁to ▁ 4 1 % ▁of ▁African ▁natural ▁gas ▁consumption ▁and ▁forms ▁the ▁largest ▁single ▁source ▁of ▁green house ▁gas ▁em issions ▁on ▁the ▁planet . ▁In ▁ 2 0 0 3 , ▁about ▁ 9 9 % ▁of ▁excess ▁gas ▁was ▁fla red ▁in ▁the ▁Niger ▁D elta , ▁although ▁this ▁value ▁has ▁fallen ▁to ▁ 1 1 % ▁in ▁ 2 0 1 0 . ▁( See ▁also ▁gas ▁fl aring ▁volumes ). ▁The ▁biggest ▁gas ▁fl aring ▁company ▁is ▁the ▁Sh ell ▁Pet role um ▁Development ▁Company ▁of ▁Niger ia ▁Ltd , ▁a ▁joint ▁vent ure ▁that ▁is ▁majority ▁owned ▁by ▁the ▁Niger ian ▁government . ▁In ▁Niger ia , ▁"... des p ite ▁reg ulations ▁introduced ▁ 2 0 ▁years ▁ago ▁to ▁out law ▁the ▁practice , ▁most ▁associated ▁gas ▁is ▁fla red , ▁causing ▁local ▁poll ution ▁and ▁contrib uting ▁to ▁climate ▁change ." ▁The ▁environmental ▁dev ast ation ▁associated ▁with ▁the ▁industry ▁and ▁the ▁lack ▁of ▁distribution ▁of ▁oil ▁wealth ▁have ▁been ▁the ▁source ▁and / or ▁key ▁ag gra v ating ▁factors ▁of ▁numerous ▁environmental ▁movements ▁and ▁inter - eth nic ▁conflicts ▁in ▁the ▁region , ▁including ▁recent ▁gu err illa ▁activity ▁by ▁the ▁Mov ement ▁for ▁the ▁E man cip ation ▁of ▁the ▁Niger ▁D elta ▁( M END ). ▁ ▁In ▁September ▁ 2 0 1 2 ▁E land ▁O il ▁& ▁Gas ▁purchased ▁a ▁ 4 5 % ▁interest ▁in ▁O ML ▁