emf22 tsukuba workshop 1dec 13 2006 modeling in japan lcs toward 2050 project yuzuru matsuoka kyoto university emf 22 climate policy scenarios for stabilization and transition international congress center epochal december 12 14 ? ? ? ? 2dec low carbon society fy2004 2years global environmental research program moe green buildings self sustained city decentralized services eco awareness effective communication dematerialization next generation vehicles efficient transportation system advanced logistics 1990 2000 2020 20502010 bau scenario intervention ee improvement new energy saving structure change life style tech innovation urban it techno socio study ghg reduction target eg 60 80 by level evaluate feasibility of long term development economic evaluating counter measures with social technology models emission middle year loge 1 3 5 valid equity suitable options advisory board advice to teams researchers propose warming 3dec