Drivers and Barriers for Green Retrofit of Existing Buildings in Korea

????????? Life Cycle ?????? ???????????? ???????????? ???????????? ?????? ????????? ???????????? ?????? ????????? ????????????. ?????????????????? ?????? ????????? ???????????? ?????? ????????? ???????????? 40?????????, ?????? ???????????? 70?????????, ?????? ???????????? 13%, ????????? ????????? ?????? ????????? ??? 40%??? ???????????? ??????. (USGBC Green Building Facts 2015) 1980?????? ???????????? ????????? ?????? ?????? ?????? ?????????(USGBC)??? ?????? ?????? ????????? ???????????? ?????? ????????? ????????? ???????????? ???????????????, ?????? ?????? ????????? ?????? ????????? ????????? ?????? ?????? ????????? ????????? ?????? ????????? ????????? ????????? ??????????????? ?????? ????????? ??????????????? ????????? ??????, LEED, BREEAM??? ????????? ?????? ????????? ????????????????????? ????????????. (USGBC Statistics 2015, Green Market Size: McGraw Hill Construction 2012). ?????????????????? ?????? ????????? ????????? ??????????????? ?????? ????????? ????????? ????????? ?????? ????????? ???????????? ????????? ????????? ?????? ??????. ?????? ????????? ??????????????? ??????, ??? ???????????? 98%????????? ???????????? ??????, ????????? ????????? ????????? ?????? ????????? ????????? ????????? ?????? ?????? ????????? ???????????? ???????????????. ??????????????? ?????? ????????? ?????????????????? ????????? ???????????? ???????????? ?????? ????????? ???????????? ??? ?????? ?????? ????????? ?????? ????????? ????????? ???????????? ???????????? ??????. ?????? ???????????? ?????? ???????????? ?????? ?????? ????????? ????????? ????????? ????????? ???????????? ???????????? ?????? ????????? ???????????? ??? ????????????????????? ?????? ???????????? ????????? ????????? ????????? ????????????. ?????? ??? ??????????????? ?????? ???????????? ?????? ????????? ??? ???????????? ??? ????????? ?????????????????? ???????????? ????????? ???????????? ??????