Contributor(s): Dr Alina Averchenkova, Professor John Broome, Professor Robyn Eckersley, Fergus Green | Tackling climate change is crucial for human well-being. So why has the international community been faltering on effective climate action? How can we break through the collective-action impasse? Alina Averchenkova is Co-Head of Climate Policy in the Grantham Research Institute on Climate Change and the Environment at LSE. John Broome is Emeritus White’s Professor of Moral Philosophy at the University of Oxford. Robyn Eckersley is Professor of Political Science in the School of Social and Political Sciences at the University of Melbourne. Fergus Green is Policy Analyst and Research Advisor to Professor Stern in the Grantham Research Institute on Climate Change and the Environment at LSE.