Speaker(s): Professor Jeffrey D. Sachs | As climate change intensifies, the issues of climate justice loom ever larger. Who owes what to whom as we confront more climate disasters as well as the rising costs of mitigation and adaptation? Jeffrey Sachs will discuss various ethical approaches to these issues, and propose a practical framework for implementing global climate justice. Jeffrey D. Sachs (@JeffDSachs) is Professor of Economics at Columbia University, a leader in sustainable development, senior UN advisor, bestselling author and syndicated columnist. Eric Neumayer (@EricNeumayer) is Professor of Environment and Development within the Department of Geography and Environment at the LSE. He is currently a Pro-Director with responsibility for Faculty Development. The Grantham Research Institute on Climate Change and the Environment (@GRI_LSE ) was established by the London School of Economics and Political Science in 2008 to create a world-leading centre for policy-relevant research and training on climate change and the environment, bringing together international expertise on economics, finance, geography, the environment, international development and political economy.