8 0 0 0 OA ボーダーの生態系をどう守るか
Sustainability Weeks 2009 Opening Symposium "International Symposium on Sustainable Development -Recommendations for Tackling the 5 Challenges of Global Sustainability-". Session 6, Toward the Creation of a New Framework in the Global Warming Era. 2 November 2009. Sapporo, Japan.