We Need to Act

Past guests

The voices of We Need to Act

Experts, activists, authors, Indigenous leaders, politicians and entrepreneurs from around the world.

65 guests · tap a pin to meet them

Alexander Kornelsen

Alexander Kornelsen

Director and co-founder of Mission to Marsh

Listen to the episodeThe vital role of wetlands for biodiversity and climate change with Alexander Kornelsen
Alisa Murphy

Alisa Murphy

Regenerative worklife coach

Listen to the episodeFind a purposeful career through regenerative worklife with Alisa Murphy
Prof. Anne Poelina

Prof. Anne Poelina

Community leader, actionist, filmmaker, and respected academic

Listen to the episodeThe Power of Place: Insights on Land and Identity with Professor Anne Poelina
Anton Treuer

Anton Treuer

Professor of Ojibwe | Author

Listen to the episodeOjibwe teachings and Sustainability with Anton Treuer
Asha Frost

Asha Frost

Medicine Woman | Author

Listen to the episodeThe intersection between Spirituality and Sustainability with Asha Frost
Áslat Holmberg

Áslat Holmberg

Former member of the Sámi Parliament of Finland and former President of the Saami Council

Listen to the episodeSix Years Without Salmon: Sámi, Europe's Only Indigenous People on Climate Change with Áslat Holmberg
Bodhi Patil

Bodhi Patil

Ocean guardian, founder and CEO of InnerLight, and co-founder of Ocean Uprise. His work connects ocean health with human health and supports young and Indigenous ocean guardians.

Listen to the episodeThe Ocean Won't Die But We Might: Indigenous Knowledge, Ocean Health & Youth Leadership with Bodhi Patil
Carl Mika

Carl Mika

Professor of Māori and Indigenous Philosophies

Listen to the episodeThere Is No Environment: Māori Philosophy, Interconnection, and the Roots of the Ecological Crisis with Carl Mika
Carlos Adrián Perez

Carlos Adrián Perez

Director for Latin America at Equal Right

Listen to the episodeTransformando el Dinero para la Justicia Ambiental con Isabel Felandro (Cool Earth) y Carlos Adrián Pérez (Equal Right) Listen to the episodeTransforming Money for Environmental Justice with Isabel Felandro (Cool Earth) and Carlos Adrián Perez (Equal Right)
Carolina Castro Jorquera

Carolina Castro Jorquera

Curator, artist and author

Listen to the episodeArte y Naturaleza: El Poder del Asombro con Carolina Castro Jorquera
Casey Camp-Horinek

Casey Camp-Horinek

Environmental ambassador of the Ponca Nation

Listen to the episodeWe are Nature Itself with Casey Camp-Horinek
Dr. Cathy Sorbara

Dr. Cathy Sorbara

Neuroscientist working to fight climate change

Listen to the episodeLeadership for change with Dr. Cathy Sorbara
Dr. Charlie Gardner

Dr. Charlie Gardner

Conservation scientist, writer, and activist

Listen to the episodeConservation, messaging, and the power of social movements to drive change with Charlie Gardner
Claudia Pievani

Claudia Pievani

Founder of Miomojo, an upper-premium, cruelty-free Italian accessories brand and certified B Corp

Listen to the episodeThe True Cost of Fashion and Why We Need to Buy Less with Claudia Pievani
Cynthia Tina

Cynthia Tina

Community matchmaker and author

Listen to the episodeIntentional Communities: A Path to Connection and Belonging with Cynthia Tina
Daniel Farber

Daniel Farber

Sho Sato Professor of Law at University of california, Berkeley

Listen to the episodeEnvironmental Law and Climate Change: Why Collective Action Is Our Most Powerful Tool with Daniel Farber
Diego Isabel la Moneda

Diego Isabel la Moneda

Director and co-founder of the NESI Forum Foundation

Listen to the episodeAmar, Cuidar y Transformar: Hacia una Nueva Economía con Diego Isabel la Moneda
Eleanor Ross

Eleanor Ross

Communications Lead at the World Economic Forum

Listen to the episodeCommunicating Climate Change with Eleanor Ross
Faye and Erik Krippner

Faye and Erik Krippner

Massage Therapists

Listen to the episodeThe connection between Nature and well-being with Faye and Erik Krippner
Dr. Fiona Gray

Dr. Fiona Gray

architect & biophilic design expert

Listen to the episodeBiophilic Design and how to incorporate it into your living spaces with Dr. Fiona Gray
Francisco Cáceres

Francisco Cáceres

Psychologist and Philosopher

Listen to the episode¿Qué es la ecoansiedad y cómo combatirla? con Francisco Cáceres
Fynn Hedrich

Fynn Hedrich

Founder of Ocean Pulse

Listen to the episodeTurning the Tide: From Corporate Career to Ocean Activism with Fynn Hedrich
George Marshall

George Marshall

Climate change communication expert, consultant & author

Listen to the episodeWhy We Ignore Climate Change (and How to Fix It) with George Marshall
Giulia Marzetti

Giulia Marzetti

TED Speaker | Top 50 Women in ESG by the FT

Listen to the episodeClimate Change and Gender Inequality with Giulia Marzetti
Helena Norberg-Hodge

Helena Norberg-Hodge

Founder and director of Local Futures

Listen to the episodeFrom Global to Local: Redefining Progress with Helena Norberg-Hodge
Ignacio Chanzá Bango

Ignacio Chanzá Bango

Sustainability, entrepreneurship, and international cooperation

Listen to the episodeInnovar para la Acción Climática con Ignacio Chanzá Bango
Isabel Felandro

Isabel Felandro

Director of Programs at Cool Earth

Listen to the episodeTransformando el Dinero para la Justicia Ambiental con Isabel Felandro (Cool Earth) y Carlos Adrián Pérez (Equal Right) Listen to the episodeTransforming Money for Environmental Justice with Isabel Felandro (Cool Earth) and Carlos Adrián Perez (Equal Right)
Jean-Philippe Steeger

Jean-Philippe Steeger

Founder of Perspectivist

Listen to the episodeRegenerative Communication with Jean-Philippe Steeger
Dr. Jessica Hernandez

Dr. Jessica Hernandez

Indigenous scientist, climate justice leader, and founder of Earth Daughters

Listen to the episodeOur Lands Are Who We Are: Indigenous Science, Ecological Grief and Decolonising Research with Dr. Jessica Hernandez
John Elkington

John Elkington

World authority on corporate responsibility and sustainable capitalism

Listen to the episodeThe Golden Age of Sustainability Hasn't Happened Yet with John Elkington
John Pabon

John Pabon

Greenwashing expert, author, consultant, and speaker

Listen to the episodeUnmasking Greenwashing: How Companies Mislead And What Can You Do with John Pabon
Prof. Jonathan Jansen

Prof. Jonathan Jansen

Distinguished professor of education at StellenbosCh university

Listen to the episodeEmpowering Minds: The Role of Education in Sustainability with Prof. Jonathan Jansen
Jorge Morales Trincado

Jorge Morales Trincado

Water Defensor at Valle del Aconcagua | Socio-Environmental Observatory in Aconcagua

Listen to the episodeEl Agua en Chile es Privada y las Comunidades Pagan el Precio con Jorge Morales
Julio Andrés Rozo

Julio Andrés Rozo

Head Director of Amazonía Emprende

Listen to the episodeSalvar la Amazonía con Julio Andrés Rozo
Katelan Cunningham

Katelan Cunningham

Director of Content and Podcast Host | Commons

Listen to the episodeCommunity, behavior change and communication with Katelan Cunningham
Katie Patrick

Katie Patrick

Environmental engineer, climate action designer, and author

Listen to the episodeEco-Action: Transforming Sustainability with Play and Creativity with Katie Patrick
Uncle Kimokeo Kapahulehua

Uncle Kimokeo Kapahulehua

Native Hawaiian cultural practitioner

Listen to the episodeHawaiian Wisdom on Sustainability with Kimokeo Kapahulehua
Lana Jelenjev

Lana Jelenjev

Community Alchemist, Author, Speaker, Healing-Centered Ecosystems Advocate

Listen to the episodeWe Are Kapwa: How We Forgot to Belong and How to Remember with Lana Jelenjev
Marc Buckley

Marc Buckley

Leading regenerative development expert

Listen to the episodeSustainable Development, symbiosis, and regenerative futures with Marc Buckley
Marcia Toledo

Marcia Toledo

adaptation and resilience director at High-Level Climate Championes

Listen to the episodeConstruyendo Resiliencia Frente al Cambio Climático con Marcia Toledo
María Isabel Lara Millapan

María Isabel Lara Millapan

Mapuche poet and professor

Listen to the episodeEntre Poesía y Tierra: Manteniendo la Cultura Mapuche con María Isabel Lara Millapan
Marta Santos Silva

Marta Santos Silva

Postdoctoral researcher

Listen to the episodeNudging and Sustainability with Marta Santos Silva
Mauricio Castro Schmitz

Mauricio Castro Schmitz

Regenerative Agriculture Director at TNC

Listen to the episodeAgricultura regenerativa con Mauricio Castro Schmitz
Mauricio Madrigal

Mauricio Madrigal

Environmental lawyer and PhD in Human Rights

Listen to the episodeDerecho ambiental: qué es y su importancia para el planeta y la sociedad con Mauricio Madrigal
Megan Pillsbury

Megan Pillsbury

Engineer, entrepreneur, and innovation leader

Listen to the episodeA Woman in Tech’s Journey: From Silicon Valley to Leading Nature Analytics with Megan Pillsbury
Dr. Mere Takoko

Dr. Mere Takoko

Māori conservationist and Chief Executive of the Pacific Whale Fund

Listen to the episodeWhales Are Our Ancestors - Dr. Mere Takoko on Legal Personhood for Whales
Dr. Michael Kotutwa Johnson

Dr. Michael Kotutwa Johnson

Hopi farmer and assistant professor at the university of arizona's school of natural resources

Listen to the episodeIndigenous Agriculture: Lessons From The Hopi Tradition with Michael Kotutwa Johnson
Natalie Kyriacou

Natalie Kyriacou

Environmentalist, presenter, charity director, and author

Listen to the episodeNature’s Last Dance: Falling Back in Love with the Natural World with Natalie Kyriacou
Nico Muzi

Nico Muzi

Co-Founder and Programs Director at Madre Brava

Listen to the episode¿Cómo afecta nuestra dieta al cambio climático? con Nico Muzi
Nyombi Morris

Nyombi Morris

Climate Activist

Listen to the episodeClimate activism with Nyombi Morris
Oliver Dauert

Oliver Dauert

LinkedIn Top Green Voice | Wildya

Listen to the episodeNature, Eco-anxiety & Community with Oliver Dauert
Ornella Muñoz

Ornella Muñoz

Forestry engineer and researcher at Amazon Research InternationaL

Listen to the episodeAbejas Meliponas: Ciencia e Identidad en la Amazonía Peruana con Ornella Muñoz, ARI
Osprey Orielle Lake

Osprey Orielle Lake

Founder and executive director of Women's Earth & Climate Action Network, international (WECAN)

Listen to the episodeRebuilding the Future with Feminine Values and Indigenous Wisdom with Osprey Orielle Lake
Paul Hawken

Paul Hawken

Environmentalist, entrepreneur, author, economist, and activist

Listen to the episodeDo Not Try to Save the Earth - The Earth Is Here to Save You with Paul Hawken
Portia Adu-Mensah

Portia Adu-Mensah

Activist and Founder and CEO of Dream Hunt

Listen to the episodeCoal Kills: How Young Ghanaians Stopped a Power Plant and Built a Movement with Portia Adu-Mensah
Rosalía Arteaga

Rosalía Arteaga

CEO of the FIDAL Foundation

Listen to the episodeColaboración, Educación y Sostenibilidad con Dr. Rosalía Arteaga
Ryan (Ra) James

Ryan (Ra) James

Founder of (re)Biz & Sixth Sun Immersions

Listen to the episodeRestoring our relationship with Earth through regenerative systems change with Ryan (Ra) James
Dr. Sara Olsvig

Dr. Sara Olsvig

Chair of the inuit circumpolar council

Listen to the episodeVoices from the Arctic: Inuit Leadership in Global Change with Dr. Sara Olsvig
Dr. Tapugao Falefou

Dr. Tapugao Falefou

Permanent Representative of Tuvalu to the UN position

Listen to the episodeTuvalu Is Fighting to Survive: Climate Change, Rising Seas & Climate Justice | Dr. Tapugao Falefou
Tarcila Rivera Zea

Tarcila Rivera Zea

Quechua activist from Ayacucho and president of CHIRAPAQ

Listen to the episodeVoces de los Andes: un viaje de defensa de los derechos indígenas en el Perú con Tarcila Rivera Zea
Tomás Ibarra

Tomás Ibarra

Professor, researcher, and Passionate about socio-ecological issues

Listen to the episodeDe la Desconexión a la Armonía: Explorando los Vínculos Bioculturales con Tomás Ibarra
Tyson Yunkaporta

Tyson Yunkaporta

Aboriginal academic, author, and indigenous systems thinker

Listen to the episodeBreaking the Illusion: How Indigenous Systems Thinking Can Awaken Us with Tyson Yunkaporta
Prof. Wayne Visser

Prof. Wayne Visser

One of the world's top 10 “pracademics” in Sustainability and Regenerative Business

Listen to the episodeFrom Breakdowns to Breakthroughs: the Path to Thriving with Prof. Wayne Visser
Yayra Agbofah

Yayra Agbofah

Founder at The Revival & TIME 100 Climate Leader (2025)

Listen to the episodeThe Fashion Industry Is Broken And Ghana Is Paying the Price with Yayra Agbofah
Yuvelis Morales Blanco

Yuvelis Morales Blanco

Environmental activist and winner of the 2026 goldman prize

Listen to the episodeGoldman Prize 2026: defender el agua desde el corazón de Colombia con Yuvelis Morales Blanco