摘要
1 Introduction It is a privilege for me, as Secretary-General of the Rio+20 Conference, to be here with all of you. On behalf of the United Nations, let me express my sincere gratitude to the Global Mayor's Forum for this important contribution to the preparations for the United Nations Conference on Sustainable Development (Rio+20).
1 Introduction
It is a privilege for me, as Secretary-General of the Rio＋20 Conference, to be here with all of you.
