Davos 2015 - How Did We Get Here? Big History 101

http://www.weforum.org/ Through a compelling visual narrative, historian David Christian highlights what leaders can learn from Big History to prepare for tomorrow. David Christian, Professor of History, Macquarie University, Australia Introduced by Al Gore, Vice-President of the United States (1993-2001); Chairman and Co-Founder, Generation Investment Management, USA; Meta-Council on the New Architecture of Governance