(with Artemy Magun), "From Non-Being to Being and Back: Contemporary Philosophy at the Crossroads with Nihilism." Pro qm, Berlin, Germany, June 28, 2024.


"Dust: Words, Worlds, Exile." HfG Karlsruhe, Karlsruhe, Germany, June 25, 2024.


(with Adania Shibli), "Public Conversation in Artium." Artium, Vitoria-Gasteiz, Spain, June 5, 2024.


"Forget All You Know about Love and Death! The Teachings of a Genuine Pre-Socratic, Diotima." Den Frie Center of Contemporary Art, Copenhagen, Denmark, May 23, 2024.


"El árbol de la vida del conocimiento en el misticismo judío medieval: Hacia una sabiduría vegetal." University of the Basque Country (UPV-EHU), March 14, 2024.


(with Monica Nepote), "El conjunto del crecimiento," Centro de Cultura Digital, Mexico, March 13, 2024. [online]


(with Nadine El-Khoury), "Chernobyl Herbarium Today," Global Art Forum 17, Dubai, UAE, March 1, 2024. [online]


(with Nadja Germann), "The Forms and Metamorphoses of Thinking." diffrakt, Berlin, Germany, February 28, 2024.


(with Jule Kurbjeweit), "Plant-Thinking." Mono, Lisbon, Portugal, February 24, 2024.


(with Peter Yeo), "Trauma and Ecology." Resurgence, Bideford, UK, February 20, 2024 [online].


(with Alice Miceli), "Traumatized Places on an Injured Planet." Goethe Institute & AiR351, Lisbon, Portugal, January 29, 2024.


"Circumnutating Thought: What's Ahead in the Vegetal Turn?" Musée de la Chasse et de la Nature, Paris, December 6, 2023.


"Vegetality & Metamorphosis: Lessons from the Middle." Lund University, Malmö, Sweden, November 20, 2023.


"From Plant-Thinking to Extending Cognition: A Journey into Vegetal Minds." Alma Löv Museum, Ostra Amtervik, Sweden, November 18, 2023.


"Anacronías vegetales." Poner la mano en el tiempo. La Tabakalera, San Sebastian, October 20, 2023.  


(with Stefanie Wenner), "In Due Time." Climate Care Festival. Floating University, Berlin, Germany, September 26, 2023.


(with Moritz Gansen), "...like the petals of a monstrous flower that shall blossom... Plants, Philosophy and Other Speculative Fictions." diffrakt, Berlin, Germany, September 25, 2023.


"Adventures in the Vegetality of Time." CApEUniversity of Copenhagen, Denmark, August 29, 2023.


"Apuntes sobre el museo vegetal." El futuros del museoArtium, Vitoria-Gasteiz, Spain, June 6, 2023.


(with Peter Yeo), "The Philosophical Implications of Plant Sentience." Resurgence, Bideford, UK, May 10, 2023 [online].


(with Sara Eliassen), "On An Echo Buried Deep Down but Calling Still." Astrup Fearnley Museum, Oslo, Norway, May 9, 2023.


"The Phoenix Complex: A Primer." University of Colorado, Boulder, February 13, 2023.


"Cosmic [Tree] Time." Royal Institute of Art, Stockholm, Sweden, January 18, 2023.


"Ghost Plants, or Vegetal Anachronies." HfG Karlsruhe, Karlsruhe, Germany, December 20, 2022.


"Diagnosing the Phoenix Complex: What We Hope for When We Burn the World (and Ourselves)." AiR351, Cascais, Portugal, November 27, 2022.


"Plants as Aesthetic Agents." Seminario menor de estética y teoría del arte. UNED, Madrid, Spain, November 24, 2022. [online]


(with Anton Tarasyuk and David Riff), "The Return of the Repressed and the Implosion of History." War in the Distance. steirischer herbst, Graz, Austria, October 8, 2022.


(with Ernesto Neto), "Vegetal Soul." Creators Facing Climate Emergency. Fondation Thalie, Brussels, Belgium, September 21, 2022. [online]


(with Anais Tondeur), "Esplosioni di luce: Chernobyl herbarium." The French Institute, Napoli, Italy, September 13, 2022. 


"Vegetal Politics: A Sketch." MUAC (UNAM), Mexico City, Mexico, August 11, 2022.


(with Pauline Ruffiot), "Tendrils & Tentacles: Encountering Otherness in Plants, Molds, and Other Species." Institute for Postnatural Studies, Madrid, Spain, June 23, 2022. [online]


"The Mystical Kiss as an Ecological Relation: St. Hildegard and the Living Surfaces of the World." Tibaes Monastery, INDEX Festival: Surfaces, Braga, Portugal, May 21, 2022.


"Upheaval and Implosion: Toward a Philosophy of History of the Present." Center for European Studies and Rimini Center for Economic Analysis, University of Milano-Bicocca, Milan, Italy, April 22, 2022. [online]


"Abandono." Museo la Tertulia, Cali, Colombia, April 13, 2022. [online]


(with Marcia Cavalcante Schuback and Peter Schuback), "Green Mass." X-Centric Futures, Lisbon, Portugal, March 12, 2022. 


(with Anais Tondeur), "Abandonment: Chernobyl." Fondazione Benetton Studi Ricerche, March 11, 2022. [online] 


"O Complexo da Fenix." IC NOVA, Nova University of Lisbon, Portugal, February 15, 2022.


(with Maxwell Sterling), "The 7,8 Hz Meditations." Museum of Art, Architecture, and Technology (MAAT), Lisbon, Portugal, February 5, 2022. 


"Being with the Earth: Between Entanglement and Alienation." Poesis Symposium: The Planet in CrisisEuropean Graduate School, Saas Fe, December 6, 2021. [online]


"De plantas en cuanto fantasmas." La Térmica, Malaga, Spain, November 11, 2021.


"Universal Kinship as the Foundation of Russian Cosmism: The Case of Nikolai Fedorov." Citizens of the Cosmos SeriesRampa/SIRIUS, October 7, 2021. [online]


"Justice at the Ends of Worlds.Multispecies JusticeDeakin University, Victoria, Australia, July 15, 2021. [online]


(with Sofia Lemos), "Dump Philosophy." Café Culture North East, UK, July 5, 2021. [online]


(with Daniel Gamper and Antoni Bassas), "Què ens diuen les plantes sobre nosaltres?Dialogos de Pedralbes, Barcelona, June 3, 2021. [online]


"Que tipo de crianças somos nós? Um caso para o cultivo vegetal da humanidade," Galeria Municipal do Porto, Porto, Portugal, April 29, 2021.


"Plant Habitats." Edinburgh College of Art, University of Edinburgh, UK, April 22, 2021. [online]


(with Pancho Tolchinsky and Anais Tondeur), "Chernóbil: La Invención de lo Imposible". Transit Projectes, Barcelona, April 20, 2021. [online]


"Pesadelos da energia: de Chernobyl à emergência climática." Culturgest, Lisbon, Portugal, April 14, 2021. [online]


(with Marcia Cavalcante Schuback) "Fire and Other Elements." Royal Institute of Art. Stockholm, Sweden, January 13, 2021. [online]


"The Becoming-Plant of Body Politic." Institute of Radical Imagination. December 5, 2020. [online]


"The Weirdness of Being in Time." Amsterdam Institute for Humanities Research, University of Amsterdam. The Netherlands, November 26, 2020. [online]


(with Daniel Gumper) "Piropolitica y el pensamiento medioambiental." El diálogo en tiempos de aceleración. Fundació Ernest Lluch, Barcelona, November 12, 2020. [online]


"El devenir-vertedero del mundo." Centro Huarte, Universidad Publica de Navarra, Pamplona, October 30, 2020. [online]


"Dust Words : Dust Worlds." Depo, Istanbul, Turkey, September 20, 2020. [online]


"Justice at the Ends of Worlds." Multispecies Justice, July 3, 2020. [online]


"To Heal a Shipwrecked World: St. Hildegard's Cures." Riga International Biennial of Contemporary Art, Riga, Latvia, June 18, 2020. [online]


"In-formation: The Dump at a Glance". Matter in Flux, March 31, 2020. [online]


"Plants and Philosophy." Kaxilda, San Sebastian, February 19, 2020.


"Art's Articulations." Art of Encounter: On Non-Human Art ProductionICI: Institute for Cultural Inquiry, Berlin, Germany, January 20, 2020. 


"Hegel's Energy and Actuality." Instituto Italiano per gli Studi Filosofici, Naples, Italy, December 12, 2019.


"A Phenomenology of Betrayal." Department of Philosophy, Erasmus University, Rotterdam, Netherlands, October 2, 2019.


"Ardencies: St. Hildegard's Blazing Plants." Matter and Spirit: Ecology and the Non-Human Turn, Harvard Divinity School, Harvard University, Cambridge, MA, USA, September 26, 2019.


"Resonances, or Hearing Ecology Otherwise with St. Hildegard of Bingen." Advanced Seminar in Philosophy and Theology, Boston College, Chestnut Hill, MA, USA, September 26, 2019.


"Plant-Thinking Is Plant-Perceiving." Philosophy Department, University of Bergen, Norway, September 3, 2019.


"On Vegetal Movements in Politics." The Serpentine Galleries, London, UK, May 19, 2019.


"Confessions of a Plant Philosopher." Avisen Live, Albertslund, Denmark, April 27, 2019.


"Plant Organizing." Ark Books, Copenhagen, Denmark, April 26, 2019.


"Elemental Forces." Sharjah Biennial 14, Sharjah, UAE, March 8, 2019.


(with Shela Sheikh), "Plan, Plant, Planet." Contemporary Conversations, Nottingham Contemporary, Nottingham, UK, February 28, 2019. 


(with Emily Wardill), "Problematising Reality. Encounters between Art, Cinema, and Philosophy: Kira Muratova's Chekhovian Motifs.Goethe-Institut, Lisbon, Portugal, December 17, 2018.


(with Lidia Montesinos), "Thinking in the Age of Climate Change." Kaxilda, San Sebastian, Spain, April 20, 2018.


"Je suis biomasse." Navigating Turbulence. HEAD: Geneva University of Art and Design, Geneva, Switzerland, April 10, 2018.


"All the World's a Dump." On Enclosed Spaces and the Great Outdoors. Kaaitheater, Brussels, Belgium, February 10, 2018.


"Un discours sans voix, ou le logos végétal sans logos." Nous ne sommes pas le nombre que nous croyons être. Cité internationale des arts, Paris, France, February 2, 2018.


"The Art of the Plants (Themselves)." The Aesthetics Seminar, University of Oslo, Norway, January 19, 2018.


"L'existence des plantes entre le manque et la plénitude." École Normale Supérieure d'Art, Bourges, France, December 6, 2017.


"Revolutionary Fire: For 100th Anniversary of the October Revolution." Lisbon Cinemateca, Lisbon, Portugal, November 27, 2017.


"A Portrait of Plants as Artists." Bulegoa, Bilbao, November 18, 2017.


"How to Cure Deconstruction of Its Allergy to Ecology?" Department of French and Italian, Princeton University, Princeton, NJ, USA, October 26, 2017.


"Hacia una nueva filosofía de la energía." Humanities Institute, Diego Portales University, Santiago, Chile, April 25, 2017.


"Political Categories." The European University of St. Petersburg, Russia, April 4, 2017.


"The Chernobyl Event." Cristina Enea Foundation, San Sebastian, Spain, March 22, 2017.


"¿Que es energía? De las fuentes alternativas hacia un concepto alternativo." University of Salamanca, Spain, December 16, 2016.


"Untimely Theses on Time, Energy, and Plant Growth". Wave/Time/History Series, Interdisciplinary Doctoral Program in the Humanities, Princeton University, USA, November 8, 2016.


(with José Ramon Ais), "Memorias vegetales". Bulegoa, Bilbao, October 6, 2016.


"Las plantas como los estimulantes del pensamiento". La Tabakalera, San Sebastián, December 11, 2015.


"Sueños de energía: Un replanteamento del concepto clássico." Seminario abierto de filosofía, Department of Philosophy, University of the Basque Country, San Sebastián, November 19, 2015.


"A Phenomenology of Dust." Department of Sociology, Philosophy and Anthropology, University of Exeter, Exeter, UK, September 7, 2015.


"How to Breathe and Feel with Plants?Planta: Notes on Botanical Dissidence. Acme Project Space, London, UK, May 21, 2015.


"Plants and Events." Johns Hopkins University, Baltimore, MD, February 18, 2015.


"The New Blazes of the Enlightenment: Pyropolitics in the Age of Secularism." Claremont School of Theology, Claremont, CA, February 5, 2015.


"A Culture Forgetful of Life." California Institute of the Arts, Valencia, CA, February 3, 2015.


"Plant-Thinking and Phytocentrism." The Multispecies Salon. University of New South Wales, Australia, June 16, 2014.


"The World on Fire: Burning Ourselves to Life." Sustainability in the Anthropocene SeminarUniversity of Melbourne, Australia, June 10, 2014.


(with Luce Irigaray), "Meeting through the Vegetal World." Institute for Advanced Studies, The University of Bristol, UK, June 5, 2014. (a joint Leverhulme / Benjamin Meaker lecture)


"A Garden within a Garden: The Labyrinths of Vegetal Infinity." Mykorrhiza: An Apparatus. Ufer Galleries, Berlin, Germany, May 17, 2014.


"La evolución como una patología creativa." Pontificia Universidad Católica de Chile, Santiago, Chile, April 22, 2014.


"Illuminismo, piropolítica y el problema del mal." CAIP: Centro de Análisis y Investigación Política, Santiago, Chile, April 14, 2014.


"Our Phytocentric Future." Department of Philosophy, SUNY - Stony Brook University, New York, April 9, 2014.


"Thinking with Plants." The Barber Shop Art Gallery, Lisbon, Portugal, March 13, 2014.


"For a Phytocentrism to Come". Aktuelle Fragen der Umweltethik, Department of Philosophy, Christian-Albrechts-Universität zu Kiel, Germany, November 12, 2013.


"Towards a Phenomenology of Vegetal Life." Department of Philosophy, UPV-EHU, Donostia-San Sebastian, Spain, October 22, 2013.


"Revisiting the Enlightenment: Fire, Politics, Evil." Department of Philosophy, Sichuan University, Chengdu, China, July 15, 2013.


"The Crisis in Southern Europe: Challenges and Prospects", Camoes Institute, Panjim, India, June 28, 2013.


"How to Respect a Plant?" Departments of English and Philosophy, The University of Goa, India, June 26, 2013.


"The Place of Plants: Spatiality, Movement, Growth". King's College, London, UK, May 22, 2013.


"Outside the One: The Politics of Vegetal Life". Smol'nyi Institute, St. Petersburg, Russia, May 15, 2013.


"Plant-Thinking: A Philosophical Toolkit". Department of Science and Technology Studies, University College London, UK, May 8, 2013.


"Respeitar as plantas: Uma abordagem ontológico-fenomenológica". Department of Philosophy, PUC-RIO, Rio de Janeiro, Brazil, March 8, 2013.


"The Political Phenomenology of Hannah Arendt". Department of Political Science & the Humanities Center, Temple University, Philadelphia, PA, September 5, 2012.


"The Project of Critical Phenomenology". Departments of Philosophy, German and Romance Studies & the Humanities Center, Johns Hopkins University, Baltimore, MD, March 7, 2012.


"After the Fire: The Politics of Ashes". Department of Philosophy, Loyola University of Maryland, Baltimore, MD, February 21, 2012.


"The Existential Phenomenology of Clarice Lispector". Department of Spanish and Portuguese, Georgetown University, Washington, DC, January 24, 2012.


"Introduction to the Politics of Fire: The Last Elemental Regime of Carl Schmitt". Department of Political Science, York University, Toronto, Canada, November 16, 2011. (video)


"Las políticas de fuego: El desplazamiento contemporáneo del paradigma geopolítico". Department of Philosophy, University of Barcelona, November 4, 2011.


"Being Shaken". 45th ICREA Colloquium, Barcelona, Spain, November 2, 2011.


“Plant-Soul: The Elusive Meanings of Vegetative Life”. Department of Philosophy, University of Salamanca, Spain, December 1, 2010.


“Textual Things: Literary and Poetic Intentionalities in Derrida”. Centre for Comparative Studies (Centro de Estudos Comparatistas), University of Lisbon, Portugal, February 8, 2010. 


“Post-Deconstructive Realism”. Department of Philosophy, University of Goa, India, July 17, 2009.


“Political Hermeneutics, or Why Schmitt is not the Enemy of Gadamer”. Department of Philosophy, University of Coimbra, Portugal, June 19, 2009.


“On Breath and Spirit in the Philosophy of Emmanuel Levinas”. Department of Philosophy, George Washington University, April 17, 2009.


“From the Concept of the Political to the Event of Politics in Carl Schmitt”. Critical Theory Society, Georgetown University, February 5, 2009.