▁of ▁Account ants ▁( IF AC ), ▁whose ▁objective ▁is ▁to ▁develop ▁the ▁account ing ▁profession ▁and ▁harm on ise ▁its ▁standards , ▁includes ▁ 1 6 7 ▁member ▁bodies ▁in ▁over ▁ 1 2 7 ▁countries ▁and ▁represents ▁approximately ▁over ▁two ▁million ▁account ants ▁world wide . ▁ ▁In ▁ 2 0 0 4 , ▁the ▁Prince ▁of ▁Wales ▁set ▁up ▁his ▁Account ing ▁for ▁S ust ain ability ▁Project ▁( A 4 S ) ▁to ▁" help ▁ensure ▁that ▁we ▁are ▁not ▁batt ling ▁to ▁meet ▁ 2 1 st ▁century ▁challeng es ▁with , ▁at ▁best , ▁ 2 0 th ▁century ▁decision - making ▁and ▁reporting ▁systems ". ▁A 4 S ▁conven es ▁leaders ▁in ▁the ▁fin ance ▁and ▁account ing ▁communities ▁to ▁catal y se ▁a ▁fundamental ▁shift ▁towards ▁res il ient ▁business ▁models ▁and ▁a ▁sust ain able ▁economy . ▁A 4 S ▁has ▁two ▁global ▁networks ▁– ▁the ▁Account ing ▁Bod ies ▁Network ▁( AB N ) ▁whose ▁members ▁compr ise ▁approximately ▁two ▁third s ▁of ▁the ▁world ' s ▁account ants ▁and ▁the ▁A 4 S ▁C FO ▁Le ad ership ▁Network , ▁a ▁group ▁of ▁C FO s ▁from ▁leading ▁companies ▁seeking ▁to ▁transform ▁fin ance ▁and ▁account ing . ▁ ▁Method ology ▁ ▁S ust ain ability ▁account ing ▁has ▁increased ▁in ▁popular ity ▁in ▁the ▁last ▁couple ▁of ▁dec ades . ▁Many ▁companies ▁are ▁adopt ing ▁new ▁methods ▁and ▁techniques ▁in ▁their ▁financial ▁dis clos ures ▁and ▁are ▁providing ▁information ▁about ▁the