“There's a reason why we keep inviting Seth back for speaking engagements: he is consistently incisive, engaging, motivating, and a wealth of knowledge on climate change, social justice issues, and more. It's no surprise he was the top-rated speaker at our most recent conference—and it's absolutely essential that more people learn from his lifetime of wisdom and advocacy.”
– Dr. Melissa Lem, Past President, Canadian Association of Physicians for the Environment
“Seth's work, particularly his 6 Markers framework, has been foundational to my organizing practice – both when I was leading 350.org's Canada team and teaching in Seneca's Government Relations program. He has a rare gift for making transformational policy ideas not just digestible but actionable, helping people understand what genuine climate emergency response actually looks like and how to push for it. His voice is exactly what we need right now to move the conversation beyond incrementalism toward real climate mobilization.”
– Amara Possian, former Canada Lead for 350.org
“The problems that we face feel like that are only getting more difficult and complex everyday. Luckily, Seth has the remarkable ability to break down issues and provide solutions in a way that people can understand. I strongly recommend him as a speaker for events and conferences.”
– James Coccola, Executive Director of Communications, Organizing, Learning and Occupational Health & Safety, BC General Employees’ Union (BCGEU).
“Seth is an incredibly engaging speaker with a wealth of knowledge about climate policy. Students, many of whom are used to hearing grim predictions about their future, are energized and inspired by his ‘we can do this, we have done it before’ approach to mobilizing for a clean and just world. I would highly recommend him as a guest speaker in secondary and post-secondary classrooms.”
– Prof. Kyla Tienhaara, Canada Research Chair in Economy and Environment, Queens University
“Seth is a compelling and insightful public speaker who makes complex, interconnected ideas clear and accessible without sacrificing depth or urgency. Drawing on his keen understanding of history, social policy, economics, political movements and climate action, he weaves big-picture thinking into a cohesive narrative that resonates with diverse audiences. He speaks candidly about the realities of the climate crisis while grounding his message in practical, achievable solutions. Rather than leaving people feeling overwhelmed, Seth leaves them informed, motivated and confident in our collective ability to rise to the challenge together.”
– Heather Kelley, Assistant Director, Social Justice, BC Teachers’ Federation
“Seth has been one of Canada’s most impactful climate thinkers. His ideas, which I find myself still gravitating towards when I seek inspiration, have contributed to significantly expanding the Overton window for what is possible on Canadian climate policy, whether it’s in shaping the conversation inside our movement or getting money on the table for transformative action in the federal budget. Let us accept his simple, but most powerful invitation: to confront our crisis of imagination."
– Caroline Brouillette, Executive Director, Climate Action Network Canada
“Seth Klein is one of Canada’s most thoughtful and effective climate policy advocates. As a speaker, he offers a rare combination of strategic insight, command of policy-relevant evidence, and inspiring presentation. With authority grounded in decades of research and institution-building, Seth leaves audiences both better informed and energized to act.”
– Prof. Maxwell Cameron, Department of Political Science, University of British Columbia
“I had the privilege of hosting Seth Klein to speak during our Remembrance Day service at Canadian Memorial United Church, and he was excellent. He met the moment with careful preparation, intellectual rigour, and deep attentiveness to context, bringing depth of knowledge to the climate crisis while translating complexity into language that is both accessible and compelling. If you’re looking for a speaker who does the homework, understands context, and can move people with clarity and heart, I recommend Seth without hesitation.”
– Rev. Beth Hayward
“Seth is one of Canada’s leading voices on climate justice. He is a forward thinker who is passionate about finding transformative and just solutions to the climate crisis. He is an inspiring speaker, author and leader and an effective coalition builder, skillfully uniting diverse groups to work towards a common cause. Seth is great to work with, and I highly recommend him as a speaker for any audience, especially young people, who will be motivated by his sense of hope and concrete ideas for a better world.”
– Prof. Joanna Robinson, Department of Global and Social Studies, York University
“Seth is a uniquely talented speaker: he makes complexity accessible, he offers grounded hope in the face of climate despair, and he inspires us to bold, achievable action, on our own and as a collective.”
– Kevin Millsip, Executive Director, BC Libraries Co-op
“The Denman Island Readers and Writers Festival consistently attracts a steady stream of impressive authors every July. Yet Seth Klein stood out even in this august company and contributed greatly to the success of our 2023 festival. He brought a perspective and expertise on the climate issue that was incomparable. He greatly enhanced our audiences’ understanding of the climate challenge, and of our shared and personal options / imperatives for addressing it.”
– Howard Stewart, Co-Chair, Denman Island Readers and Writers Festival
“Seth Klein's energetic and impassioned keynote was the perfect way to get Nanaimo Climate Connections 2025 attendees on their feet (literally) and ready to take action. He left us with powerful, accessible and hopeful takeaways — we hope to have Seth back to speak at a future event!”
– Kevin Lindsay, Board Chair, Nanaimo Climate Action Hub
“Seth is a masterful conversationalist who breaks down big pictures into discussions we can digest. Through exchange that offers space to name facts and feelings, folks – and especially youth – come away with inspiration and momentum around this new era of environmentalism.”
– Drew Carlson, Program Lead, Apathy is Boring
“Seth was prepared, polished, and articulate in offering his perspective on the issues of climate change and a green transition. He is always well informed on the issues, and I unreservedly recommend Seth as a speaker with strong appeal to a wide variety of audiences.”
– Rosalind Warner, Chair, Climate Action Standing Committee, Federation of Post-Secondary Educators of BC