This book is an outcome of the symposium "Towards Earth Friendly Use of Resources and Energy," organized by the Nagoya University Center of Excellence Program "From Earth System Science to Basic and Clinical Environmental Studies" and presents papers by four eminent researchers. 1) Syukuro Manabe, who was honored in 2008 by the Earth Hall of Fame Kyoto, together with Ms. Maathai and Ms. Brundtland, describes the mechanisms of extreme weather, drought, and flood that were caused by climate change due to CO₂ emissions. 2) Ernst Ulrich von Weizsacker, co-chair of the Club of Rome,...