“Dear people of the world“
“Method for Concentration“
Response letters
「Letter from the President Dr. Cristina Ferna’ndez」
「Letter from the President Luiz Inacio Lula da Silva」
「Letter from the President Lee Myung-bak Republic of KOREA」（Ministry of Environment Republic of KOREA）
「Letter from the President Dilma Rousseff Republic of Brazil」
「Letter from the President Dalia Grybauskaite Republic of Lithuania」
「Letter from the Prime Minister Fredrik Reinfeld Kingdom of Sweden」
「Letter from the Prime Minister Jose Luis Rodrigues Zapatero Kingdom of Spain」
「Letter from the President Bronislaw Komorowski Republic of Poland」
