US4: The 22 February 2011 Christchurch Earthquake Video stream (Youtube) GA 2011 Union Symposia Session details
US5: The 11 March 2011 Tohoku (Sendai) Earthquake and Tsunami Video stream (Youtube) GA 2011 Union Symposia Session details
GDG2: To what extent do humans impact the Earth's climate? Video stream (Youtube) GA 2010 Great Debate in Geosciences
ML1: The Fate of the Amazon Forest in the 21st Century (Alexander von Humboldt Medal Lecture) Video stream (Youtube) GA 2010 Union Awards Lectures
ML2: Wetting Front Instability in Porous Media (Alfred Wegener Medal Lecture) Video stream (Youtube) GA 2010 Union Awards Lectures
ML3: Subduction Zone Concepts and the 2010 Chile Earthquake (Arthur Holmes Medal Lecture) Video stream (Youtube) GA 2010 Union Awards Lectures
ML4: Fascinating Plasma Structures (Jean Dominique Cassini Medal Lecture) Video stream (Youtube) GA 2010 Union Awards Lectures