발행물
컨퍼런스
UN Secretary General’s Advisory Board on Water and Sanitation, Government delegation
2010
,
Sanitation for Millennium Development Goals (MDG) Achievement
United Nations Framework Convention on Climate Change (COP 15), Press Conference (Government Delegation)
2009
Green Challenge Toward Preparation of Climate Change in Korea
Butiple
2025
"It's too late"
Crazy Housing Prices
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Which Cities Will Dominate the World in the Future?