Luke is a lecturer in climate and environmental policy at the Fenner School of Environment and Society and Crawford School of Public Policy at the Australian National University (ANU), and a Senior Economist with Vivid Economics. He is a specialist in environmental and climate policy, having advised the Australian parliament on the ratification of the Paris Agreement on Climate Change. He holds both a Doctorate in Political Science (2016) and a Bachelor of Interdisciplinary Studies with first class honours from the ANU (2011). As a consultant, he has worked for a range of public and private clients including the World Bank and Asian Development Bank. He is a regular media commentator and his research has been covered by international media outlets such as the Guardian, the Washington Post, the New Yorker and the New York Times.