HONG KONG, April 23, 2015 — In the panel "Cities, Climate and Civilization," experts Jim Yong Kim, Ryoji Noyori, Hans Joachim Schellnhuber, Brian Schmidt, and Peter Cookson Smith, with Chair Johan Rockström, discuss questions and challenges associated with the combination of urbanization and climate change. Opening remarks by Hong Kong Chief Executive C.Y. Leung. (2 hr., 15 min.)

Fourth Nobel Laureates Symposium on Global Sustainability