▁to ▁someone ▁with ▁a ▁di et ary ▁restriction . ▁ ▁Mot iv ation ▁ ▁The ▁clim at arian ▁di et ▁is ▁supposed ▁to ▁carry ▁dual ▁benefits , ▁not ▁only ▁for ▁the ▁consumer , ▁who ▁will ▁enjoy ▁health ier ▁di et , ▁but ▁also ▁for ▁the ▁planet ▁as ▁a ▁whole , ▁by ▁reducing ▁the ▁climate ▁impact ▁of ▁food ▁production . ▁Pro ponents ▁of ▁clim at arian ism ▁claim ▁that ▁the ▁di et ▁is ▁based ▁on ▁clear ▁scientific ▁data , ▁as ▁it ▁see ks ▁to ▁reduce ▁the ▁consumption ▁of ▁those ▁food s ▁that ▁are ▁identified ▁as ▁the ▁largest ▁emit ters ▁of ▁green house ▁g ases ▁responsible ▁for ▁climate ▁change . ▁ ▁One ▁of ▁the ▁main ▁ways ▁in ▁which ▁clim at ari ans ▁st rive ▁to ▁make ▁their ▁food ▁consumption ▁less ▁environment ally ▁harm ful ▁is ▁by ▁avoid ing ▁e ating ▁be ef ▁and ▁l amb . ▁▁ ▁According ▁to ▁a ▁ 2 0 1 4 ▁study , ▁" be ef ▁used ▁ 2 8 ▁times ▁more ▁land , ▁ 1 1 ▁times ▁more ▁water ▁and ▁em itted ▁five ▁times ▁more ▁green house ▁g ases ▁than ▁the ▁production ▁of ▁either ▁p ork , ▁p oul try , ▁da iry ▁or ▁eggs ." ▁It ▁has ▁also ▁been ▁calculated ▁that ▁the ▁carbon ▁foot print ▁of ▁be ef ▁is ▁well ▁over ▁the ▁equivalent ▁of ▁ 2 0 , 0 0 0 g ▁of ▁CO 2 ▁per ▁kil o , ▁while ▁fish ▁is ▁just ▁under ▁ 4 , 5 0 0 g , ▁and ▁p oul try ▁is ▁around ▁