</s> ▁The ▁T bil isi plus 3 0 ▁or ▁the ▁Four th ▁International ▁Conference ▁on ▁Environment al ▁Education ▁was ▁held ▁at ▁the ▁Centre ▁for ▁Environment ▁Education , ▁Ah med abad , ▁India ▁between ▁November ▁ 2 4 , ▁ 2 0 0 7 ▁and ▁November ▁ 2 8 , ▁ 2 0 0 7 . ▁ ▁The ▁conference ▁was ▁the ▁fourth ▁in ▁the ▁series ▁of ▁Con ferences ▁on ▁environmental ▁education ▁held ▁since ▁the ▁first ▁international ▁conference ▁in ▁T bil isi ▁( former ▁USS R ). ▁The ▁second ▁conference ▁was ▁organ ised ▁in ▁ 1 9 7 7 ▁in ▁Moscow ; ▁and ▁the ▁third ▁conference ▁was ▁held ▁in ▁Th ess al on iki ▁in ▁ 1 9 9 7 . ▁The ▁United ▁Nations ▁has ▁declared ▁the ▁de cade ▁ 2 0 0 5 ▁to ▁ 2 0 1 4 ▁as ▁the ▁" Dec ade ▁of ▁Education ▁for ▁S ust ain able ▁Development " ▁( DE SD ). ▁This ▁conference ▁under lined ▁the ▁key ▁role ▁of ▁education ▁in ▁ach ieving ▁sust ain able ▁development . ▁The ▁participants ▁and ▁deleg ates ▁from ▁countries ▁across ▁the ▁glo be ▁came ▁together ▁to ▁bridge ▁the ▁gap ▁between ▁environmental ▁education ▁and ▁Education ▁for ▁S ust ain able ▁Development . ▁They ▁exam ined ▁the ▁development ▁of ▁environmental ▁education ▁since ▁the ▁first ▁conference , ▁thirty ▁years ▁ago , ▁and ▁set ▁a ▁global ▁ag enda ▁for ▁the ▁DES D . ▁This ▁will ▁be ▁a ▁platform ▁for ▁sharing ▁practices ▁and ▁ideas ▁on ▁initi atives ▁in ▁environmental ▁education ▁throughout ▁the ▁world . ▁ ▁There ▁was