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Introduction
mta Matt McGrath 8 éve - 3:35

Lecture by Jacqueline McGlade
mta Jacqueline McGlade 8 éve - 19:09

Lecture by Uri Shamir
mta Uri Shamir 8 éve - 09:35

Lecture by Bjørn Lomborg
mta Bjørn Lomborg 8 éve - 18:10

Lecture by Matt McGrath
mta Matt McGrath 8 éve - 09:29

Lecture by Luis Alvarez
mta Dr. Luis Alvarez 8 éve - 4:01

Discussion
mta 8 éve - 23:24