LETTER FROM THE DEAN.

• Author: Janow, Merit E.

There may be no greater challenge facing humanity today than that of Climate Change. It raises complex and far-reaching questions with the potential to impact every sector of society and the global economy. We are already seeing its many effects around us, whether it is more extreme weather events, damage to marine life and marine habitat, negative effects on agriculture, or changes in human migration.

The world's great research universities have an important role to play in both understanding and addressing this problem. At Columbia University and at the School of International and Public Affairs, we are proud that the study of climate and the environment is core to our teaching and research and has been for decades.

At SIPA, we focus on many dimensions of climate disruption within nations as well as across national boundaries that require collective action. SIPA's PhD program in sustainable development, our core masters programs, and many other parts of the University are actively working together to advance the study of the environment in new ways and to identify achievable solutions.

I commend the Journal of International Affairs for producing this...