Thomas Hale is Associate Professor in Public Policy at the Blavatnik School of Government. His research explores how we can manage transnational problems effectively and fairly. He is the author of Transnational Climate Change Governance (2014), and Gridlock: Why Global Cooperation Is Failing when We Need It Most (2013). He will be sharing his insights on the new global climate agreement adopted at the recent UN climate change conference in December 2015.