Gabriel Silver Memorial Lecture with Kofi Annan

President Lee C. Bollinger introduces Kofi Annan, Columbia Global Fellow and former Secretary-General of the United Nations.

Kofi Annan delivers the Gabriel Silver Memorial Lecture on “Climate Change: The Leadership Challenge of our Age” to an audience of Columbia students, faculty, and staff in the Rotunda of Low Memorial Library.

John Coatsworth, dean of the School of International and Pubic Affairs, moderates a question and answer session with the audience.

Students pose questions to Mr. Annan.