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, 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, 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, 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”, France; 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, 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, Colombian 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, activist, Author and co-editor of Red Pepper magazine; John Fass, artist, 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 The 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, formerly 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, and author of forthcoming book, Rebirth: Demographic Change and Societal Collapse; Indy Johar, architect, and co-founder of Dark Matter Labs; Andrew Simms, political economist and campaigner, co-founded the The New Weather Institute  and coordinator of the Rapid Transition Alliance ,  and author of The New Economics; 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, which was the first of its kind in the UK. They also now work for Phoenix Education 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.

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; Roman Krznaric, public philosopher, Author of “The Good Ancestor”; 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; Isabella Tree, writer and conservationist, Co-creater of Knepp Wildland and Editor of “Granta 153: Second Nature”; 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; Brett Christopher, human geographer, Professor at Uppsala University, Sweden and Author of “The Price is Wrong: Why Capitalism Won’t Save the Planet; 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; Saleemul Huq, scientist, Director of the International Centre for Climate Change and Development, Bangladesh; 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.​