▁important ▁part ▁of ▁what ▁Bush ▁set ▁in ▁place ▁while ▁in ▁office . ▁However , ▁the ▁policy ▁has ▁been ▁critic ized ▁on ▁two ▁front s . ▁First ly , ▁critics ▁have ▁op ined ▁that ▁the ▁United ▁States ▁should ▁deal ▁with ▁solving ▁domestic ▁issues ▁before ▁concentr ating ▁on ▁space ▁expl oration . ▁Second ly , ▁of ▁the ▁fund ing ▁over ▁the ▁next ▁five ▁years ▁that ▁Bush ▁has ▁proposed , ▁only ▁US $ 1 ▁billion ▁will ▁be ▁in ▁new ▁appropri ations ▁while ▁the ▁remaining ▁US $ 1 1 ▁billion ▁will ▁be ▁real located ▁from ▁NASA ' s ▁other ▁programs , ▁and ▁therefore ▁in ade qu ate ▁to ▁fully ▁realize ▁this ▁vision . ▁Most ▁of ▁the ▁sp ending ▁for ▁the ▁new ▁program , ▁and ▁most ▁of ▁the ▁budget ▁cut s ▁for ▁existing ▁programs , ▁are ▁scheduled ▁after ▁the ▁last ▁year ▁of ▁the ▁Bush ▁presiden cy . ▁It ▁is ▁unclear ▁how ▁the ▁space ▁vision ▁will ▁be ▁recon ci led ▁with ▁budget ary ▁concerns ▁in ▁the ▁longer ▁term . ▁ ▁In ▁January ▁ 2 0 0 5 , ▁the ▁White ▁House ▁released ▁a ▁new ▁Space ▁Transport ation ▁Policy ▁fact ▁sheet ▁which ▁out lined ▁the ▁administration ' s ▁space ▁policy ▁in ▁broad ▁terms ▁and ▁tied ▁the ▁development ▁of ▁space ▁transport ▁capabilities ▁to ▁national ▁security ▁requirements . ▁ ▁Environment ▁▁ ▁In ▁December ▁ 2 0 0 3 , ▁Bush ▁signed ▁legisl ation ▁implementing ▁key ▁prov isions ▁of ▁his ▁Health y ▁For ests ▁In iti ative . ▁Another ▁subject ▁of ▁controvers y ▁is ▁Bush ' s ▁Clear ▁Sk ies ▁In iti ative