ged ▁to ▁adopt ▁Ky oto ▁style ▁legal ▁limits ▁on ▁green house ▁gas ▁em issions . ▁ ▁Dr illing ▁in ▁the ▁Ar ctic ▁National ▁Wild life ▁Ref uge ▁ ▁For ▁economic ▁and ▁national ▁security ▁reasons , ▁Bush ▁supported ▁Al aska ▁Senator ▁Ted ▁Stevens ' ▁plan ▁to ▁tap ▁the ▁oil ▁res erves ▁in ▁a ▁ ▁area ▁of ▁Al aska ' s ▁ 1 9 ▁million ▁a cre ▁( 7 7 , 0 0 0   km ² ) ▁Ar ctic ▁National ▁Wild life ▁Ref uge . ▁Pro - expl oration ▁supp or ters ▁argue ▁that ▁U . S . ▁companies ▁have ▁the ▁most ▁string ent ▁environmental ▁requirements , ▁and ▁that ▁by ▁doing ▁the ▁dr illing ▁in ▁the ▁middle ▁of ▁the ▁winter , ▁it ▁would ▁create ▁a ▁very ▁small ▁environmental ▁foot print . ▁ ▁O pp on ents ▁stated ▁that ▁dr illing ▁would ▁damage ▁the ▁coast al ▁plain ' s ▁frag ile ▁e cos ystem ▁and ▁its ▁wild life . ▁Pro ponents ▁stated ▁that ▁modern ▁techniques ▁can ▁extract ▁the ▁oil ▁without ▁dam aging ▁the ▁environment ▁ ▁The ▁Clear ▁Sk ies ▁Act ▁of ▁ 2 0 0 3 ▁ ▁Initial ly ▁announced ▁by ▁President ▁Bush ▁in ▁ 2 0 0 2 , ▁the ▁Clear ▁Sk ies ▁In iti ative ▁was ▁aim ed ▁at ▁am ending ▁the ▁C lean ▁Air ▁Act ▁to ▁further ▁reduce ▁air ▁poll ution ▁and ▁expanded ▁the ▁em issions ▁trad ing ▁programs ▁to ▁include ▁new ▁poll ut ants ▁such ▁as ▁mer cur y . ▁The ▁goal ▁of ▁the ▁initi ative ▁was ▁to ▁reduce ▁the ▁sul