Carmody Grey, theologian, Assistant Professor of Catholic Theology at Durham University; Graeme Hayes, sociologist, Reader in Political Sociology at Aston University; Nafeez Ahmed, journalist, Special Investigations and Global Trends, Reporter at Byline Times and Director of Global Research at RethinkX; Nick Anim, activist, Director of Transition Town Brixton; Caroline Hickman, climate psychologist and psychotherapist, Lecturer at the University of Bath and Board Member of the Climate Psychology Alliance; Carne Ross, former diplomat, Founder of Independent Diplomat and Author of “The Leaderless Revolution”; Jonathan Rowson, philosopher, Co-Founder and Director of Perspectiva; Josh Appignanesi, film-maker, Director of “My Extinction”; Rupert Read, writer and researcher, Reader in Philosophy at the University of East Anglia; Peter Sutoris, environmental anthropologist, Assistant Professor at the University of York and Author of “Educating for the Anthropocene”; Emmanuel Cappellin, filmmaker, Director of “Once You Know”; Asad Rehman, Director of War on Want; Steve Keen, economist, Author of “Debunking Economics”; Indra Adnan, psycho-social therapist, Founder and Co-Initiator of The Alternative UK; Sarah Stein Lubrano, academic and writer, Researcher at the University of Oxford; Noortje Marres, sociologist, Professor in Science, Technology and Society at the University of Warwick; Vanessa Chamberlin, artist and theologian; Ruth Padel, poet, Author of “Watershed”; Mark Vernon, psychotherapist and writer, Author of “Spiritual Intelligence in Seven Steps”; Anouchka Grose, writer and psychoanalyst, Author of “A Guide to Eco-anxiety”; Anthea Lawson, writer and campaigner, Author of “The Entangled Activist”; Paul Powlesland, barrister, Founder of Lawyers for Nature; Liz Jensen, novelist, founder-member of XR Writers Rebel; Raj Chada, protest lawyer, Solicitor at Hodge Jones and Allen; Roger Hallam, social movement theorist, co-founder of Extinction Rebellion; César Rodríguez-Garavito, lawyer and environmental justice scholar, Professor at New York University; Güney Yildiz, journalist, researcher and specialist on the Autonomous Administration of North and East Syria; Rowan Tilly, activist and nonviolence advocate; Hilary Wainwright, sociologist and activist, Co-editor of Red Pepper magazine; John Fass, artist and designer, Senior Lecturer in User Experience Design at London College of Communication; Toby Litt, writer, Lecturer in Creative Writing at Southampton University and Author of “How to Tell a Story to Save the World”; Jessie Maryon Davies, musical facilitator, composer and storyteller; A.C. Grayling, philosopher, Master of the New College of the Humanities at Oxford and Author of “For the Good of the World’; Charlotte Du Cann, writer, Editor and Co-director of the Dark Mountain Project; Bill Moyer, musician and activist, Co-founder of the Backbone Campaign; Guy Standing, economist, Professorial Research Associate at SOAS and Author of “Plunder of the Commons”; Justine Huxley, co-founder of Kincentric Leadership; Andrew Boyd, activist, Author of “Beautiful Trouble”; Sandra Niessen, anthropologist, Member of Fashion Act Now; Sophie Scott-Brown, philosopher and intellectual historian, Author of “Colin Ward and the Art of Everyday Anarchy”; Josh Cohen, psychoanalyst, writer and academic, Author of “Not Working”; Jem Bendell, strategist and educator on social change, Author of “Deep Adaptation” and “Breaking Together”; Sicelo Mbatha, South African wilderness guide and story-teller, Author of “Black Lion”; Tim Waterman, professor of landscape at the Bartlett and author of “The Landscape of Utopia”; Ruth Kinna, professor of political theory at Loughborough University and author of “The Government of No One: The Theory and Practice of Anarchism”; Natasha Walter, writer, campaigner and author of “Before the Light Fades: A Memoir of Grief and Resistance”; Gail Bradbrook, climate activist, Co-founder of Extinction Rebellion; Chris Haughton, illustrator and children’s book writer; Nika Dubrovsky, artist, Founding Director of The David Graeber Institute; Michael Hrebeniak, Founder and Co-convenor of the New School of the Anthropocene; Gessie Houghton, gallerist, Director of the October Gallery and Secretary to the Institute of Ecotechnics; Rob Percival, writer and campaigner, Author of T”he Meat Paradox: Eating, Empathy and the Future of Meat”; Phoebe Tickell, former scientist and social entrepreneur, Founding CEO of Moral Imaginations; Sandra Laville, journalist, Environment Correspondent at the Guardian; Cathy Eastburn, mother, musician and activist with Extinction Rebellion, Insulate Britain and Just Stop Oil; Roger Harrabin, journalist, former Environment Specialist at the BBC; Chris Smaje, farmer and social scientist, Author of “A Small Farm Future”; Lynne Segal, feminist thinker and activist, Author of “Lean on Me: A Politics of Radical Care”; Chris Shaw, climate communications consultant, Author of “Liberalism and the Challenge of Climate Change”; Buzz Baum, molecular biologist, Group Leader at the MRC Laboratory of Molecular Biology at the University of Cambridge; Simon Bramwell, strategic pragmatist and co-founder of the Rising Up Network and Extinction Rebellion; Frank Hewetson, long-standing Greenpeace activist; Margaret Klein Salamon, clinical psychologist and activist, Executive Director of Climate Emergency Fund and author of “Facing the Climate Emergency: How to Transform Yourself with Climate Truth”; Kennedy Mbeva, researcher at the Centre for the Study of Existential Risk at the University of Cambridge,Author of forthcoming book, “Rebirth: Demographic Change and Societal Collapse”; Indy Johar, architect, Co-founder of Dark Matter Labs; Andrew Simms, political economist and campaigner, Co-founder of The New Weather Institute  and coordinator of the Rapid Transition Alliance; Songqiao Yao, Chinese activist, founder of Wildbound; Faye Lu, Chinese activist, partner and chief impact officer of Wildbound; Matthew Green, journalist, Global Investigations Editor at DeSmog and author of substack “Resonant World”; Jolyon Maugham KC, barrister and campaigner, Founder of Good Law Project and Author of “Bringing Down Goliath: How Good Law Can Topple the Powerful”; Artemis Bear, educator, Founder of The Garden and Head of the Freedom to Learn programme; Melanie Challenger, non-fiction writer and author of “How To Be Animal“; SJ Beard, senior research associate at the Centre for the Study of Existential Risk at the University of Cambridge; Brett Christophers, geographer, Professor at Uppsala University, Sweden and Author of “The Price is Wrong”; Trudi Warner, climate activist; Mohamed Amer Meziane, philosopher, Assistant Professor at Brown University and Author of The States of the Earth: An Ecological and Racial History of Secularization; Ben Ware, philosopher and social theorist, Author of “On Extinction: Beginning Again at the End”; Stephen Markley, journalist and fiction writer, Author of “The Deluge” ; Sandra Newman, writer, Author of “The Men” and “The Heavens”; Joel Scott-Halkes, activist, Co-Founder of Wild Card; Vali Mahlouji, curator and art historian, Founder of not-for-profit platform Archeology of the Final Decade; Roman Krznaric, social philosopher, Senior Research Fellow at Oxford University’s Centre for Eudaimonia and Human Flourishing and Author of History for Tomorrow: Inspiration from the Past for the Future of Humanity; Pippa Evans, improvisation artist.

UK: David Wengrow, archaeologist, Professor of Comparative Archaeology at UCL; Jason Hickel, economic anthropologist, Professor at the Autonomous University in Barcelona, and Visiting Senior Fellow at the LSE; Kate Raworth, economist, author of Doughnut Economics; George Monbiot, journalist, author of “Regenesis”; David Olusoga, historian, Professor of Public History, University of Manchester; Carolyn Steel, architect and writer, Author of “Sitopia: How Food Can Save the World”; Tim Benton, Director, Environment and Society Programme at Chatham House; Aled Jones, Director of the Global Sustainability Institute at Cambridge University; Clive Lewis, politician, Labour MP and Shadow Minister for Sustainable Economics; Owen Sheers, author, Professor of Creativity at Swansea University and co-founder Black Mountains College; Wolfgang Blau, former media executive, Co-Founder of Oxford Climate Journalism Network;  Caroline Lucas, politician, Green MP for Brighton Pavilion; Farhana Yamin, international lawyer and activist, Associate Fellow at Chatham House; Tim Crosland, lawyer and legal campaigner, Director of Plan B; Jojo Mehta, legal campaigner, Director of Stop Ecocide International; Sally Weintrobe, psychoanalyst, Chair of the International Psychoanalytic Association’s Climate Committee and Author of “Psychology of Roots of the Climate Crisis”; Paul Gilroy, sociologist, Professor of the Humanities and Founding Director, Sarah Parker Remond Centre, UCL; David King, scientist, former Chief Scientific Advisor to the UK Government; Rob Hopkins, writer and activist, Founder of Transition Towns; James Thornton, lawyer, CEO of Client Earth; Sophie Howe, political advisor, Future Generations Commissioner for Wales; Vinay Gupta, technologist and entrepreneur, Founder of Mattereum; Adam Elliot-Cooper, social scientist, Researcher at Greenwich University; Paul Kingsnorth, writer, Co-Founder of Dark Mountain Project, Founder of the Wyrd School and Author of “Beast”; Alastair McIntosh, writer, activist, land reformer, Founder of GalGael; Charlie Gardener, scientist, Researcher at the University of Kent; Iain McGilchrist, neuroscience researcher, philosopher and literary scholar, Author of “The Master and His Emissary”; Gail Bradbrook, activist, Co-founder Extinction Rebellion; Fehinti Balogun, writer and activist, creater of “Can I Live?”; Simon Schama, historian, Professor of History at Columbia University and writer/presenter of “The History of Now”; Paddy Loughman, strategist, Co-founder of Stories For Life; Ash Sarkar, journalist and activist, Senior Editor at Novara Media; Predrag Slijepčević, philosopher of biology, Senior Lecturer at Brunel University and Author of “Biocivilisations: A New Look at the Science of Life”.

INTERNATIONAL: Noam Chomsky, linguist, philosopher and social critic, USA; Margaret Atwood, writer, Author of “Oryx and Crake” and “Burning Questions”, Canada; Anasuya Sengupta, poet, Co-founder of Whose Knowledge?, India; Naomi Oreskes, Professor of the History of Science at Harvard University and author of “Merchants of Doubt”, USA; Audrey Tang, former First Minister of Digital Affairs of Taiwan and Author of “Plurality: The Future of Collaborative Technology and Democracy”; Robin Wall Kimmerer, environmental biologist, Author of “Braiding Sweetgrass” and Founder of the Center for Native Peoples and the Environment; Naomi Klein, writer and activist, Author of “This Changes Everything”, Canada; Amitav Ghosh, writer, Author of “The Great Derangement”, India; Arundhati Roy, writer and activist, India; Andreas Malm, human ecologist, Associate Professor of Human Ecology at Lund University, Sweden; Peter Godfrey-Smith, philosopher, writer, Professor of History and Philosophy of Science at the University of Sydney, Australia; Ian Haney-Lopez, political scientist, Professor of Public Law at the University of California, Berkeley, USA; Bill McKibben, writer and activist, USA; Daniel Christian Wahl, systems designer, Spain; Srdja Popovic, activist, co-founder of Otpor, Serbia; Kim Stanley Robinson, writer, Author of “Ministry for the Future”, USA; Vanessa Nakate, activist, Founder Youth for Future Africa, Uganda; Jonathan Franzen, writer, Author of “The End of the End of the Earth”, USA; Rutger Bergman, historian and writer, Author of “Human Kind: A Hopeful History”, Netherlands; Pablo Servigne, writer and collapsologist, Author of “How Everything Can Collapse” and “Another End of the World is Possible”, France; Nana Oforiatta-Ayim, writer, film-maker and art historian, founder of ANO Institute, Ghana; Mark and Paul Engler, writers, Co-Authors of “This is an Uprising”, USA; Mary Robinson, politician, Former UN High Commissioner for Human Rights, Founder of the Mary Robinson Foundation, Ireland; Timothy Snyder, historian, Professor of History at Yale University and Author of “On Tyranny”, USA; Charles Eisenstein, writer, Author of “Climate – A New Story”, USA; Yuval Noah Harari, historian, Professor at The Hebrew University of Jerusalem, Israel; Paccha Turner Chuji, artists and activist, Ecuadorian Amazon; Julia Steinberger, scientist, Professor of Ecological Economics at the University of Lausanne, Switzerland; Jenny Odell, artist and writer, Author of “Saving Time”, USA; Minna Salami, journalist, blogger at MsAfropolitan, Finland; Michael Kagan, rabbi, writer and entrepreneur, Co-Founder of the Jewish Climate Initiative, Israel.​