In this episode of Conversations with Agents of Change, Izy Boyd sits down with Professor John Barry — a long‑time academic activist, former co‑chair of the Belfast Climate Commission and a leading voice in green political economy — to talk about why climate action must be rooted in social justice, how teaching can be a form of activism, and what a post‑growth future might actually look like.
Professor Barry brings together class analysis, anti‑colonial thinking and climate science to make a clear, urgent case: the climate crisis is inseparable from inequality and the structures of our economy. He argues that in the global north we must move beyond growth as the primary measure of success and instead focus on redistribution, care and democratic control of resources.
“I am a proud and worried father of two. I am an engaged citizen and a long time academic activist, that tries to use my privilege as an academic.”
Key takeaways from the episode
- Teaching as activism: Barry explains how pedagogy that centres lived experience can turn students into agents of change.
- Practical climate wins: Simple, targeted policies — like mass home insulation — can cut emissions, reduce energy poverty and improve public health faster and more equitably than flashy tech fixes.
- A working‑class green politics: Climate policy must be framed as a way to improve everyday life — warmer homes, cleaner air, safer streets — not as an elite luxury.
- Post‑growth clarity: Growth isn’t the same thing everywhere; richer countries need redistribution and quality of life improvements rather than more consumption.
- A cautious view of tech: Barry urges critical debate about AI and productivity, calling for technology to reduce drudgery and expand free time, not to intensify work or concentrate power.
A humane, strategic approach to change
This episode balances urgency with care. Barry is clear that activism needs stamina: pace yourself, build coalitions across communities and institutions, and use the privileges you have to lift others. He also models a politics that listens first — bringing together trade unions, businesses, environmental groups and local government to craft realistic, justice‑centred solutions.
If you want a grounded, hopeful and strategic take on climate politics — one that connects the classroom to the street and policy to people — this episode is for you. Listen now to the full episode of Conversations with Agents of Change to hear the full conversation and the stories behind the ideas.
Follow Professor John Barry’s work to stay updated on post‑growth politics, climate justice research and practical local solutions. Look for his writing, talks and public commentary on academic and social platforms.
And finally, share this post with a friend who cares about climate justice, or save it as a quick reference for how practical, people‑centred climate policy can win both hearts and votes.

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