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SPILL THE (GREEN) TEA: How to talk about sustainability without getting called out
SPILL THE (GREEN) TEA: How to talk about sustainability without getting called out
Author: Katie Treggiden, Malin Cunningham
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© Katie Treggiden & Malin Cunningham
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Making Design Circular is evolving.
With a new name, a new remit, and a new co-host, this next chapter is all about one of the most urgent conversations in business today: how to talk about sustainability with honesty, nuance, and confidence.
Katie Treggiden is joined by Malin Cunningham, founder of B Corp-certified B2B thought leadership consultancy Hattrick, to launch Spill the Green Tea – a podcast exploring how brands can communicate their environmental efforts without tipping into greenwashing… or disappearing into greenhushing.
In a world saturated with content, polished claims, and call-outs, the real differentiator is authenticity. Together, Katie and Malin unpack how to share imperfect eco-efforts with clarity and credibility, so your sustainability story builds trust instead of backlash.
Expect thoughtful conversations, practical insights, and honest reflections on what it really takes to speak up responsibly in today’s climate-aware marketplace.
If you care about communicating sustainability in a way that stands up to scrutiny and still stands out, subscribe now and be the first to tune in to Spill the Green Tea
PS Looking for Brackish? That has a new home at https://brackishbykatietreggiden.substack.com/t/podcast
With a new name, a new remit, and a new co-host, this next chapter is all about one of the most urgent conversations in business today: how to talk about sustainability with honesty, nuance, and confidence.
Katie Treggiden is joined by Malin Cunningham, founder of B Corp-certified B2B thought leadership consultancy Hattrick, to launch Spill the Green Tea – a podcast exploring how brands can communicate their environmental efforts without tipping into greenwashing… or disappearing into greenhushing.
In a world saturated with content, polished claims, and call-outs, the real differentiator is authenticity. Together, Katie and Malin unpack how to share imperfect eco-efforts with clarity and credibility, so your sustainability story builds trust instead of backlash.
Expect thoughtful conversations, practical insights, and honest reflections on what it really takes to speak up responsibly in today’s climate-aware marketplace.
If you care about communicating sustainability in a way that stands up to scrutiny and still stands out, subscribe now and be the first to tune in to Spill the Green Tea
PS Looking for Brackish? That has a new home at https://brackishbykatietreggiden.substack.com/t/podcast
52 Episodes
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A forester by training, Tim left a secure UN career for the private sector in 2022, drawn by Salesforce's reach into 200,000-plus customers, including 60,000 NGOs, and the chance to shape how businesses think about biodiversity, water and climate strategy from the inside. He's also the author of Generation Restoration: How to Fix Our Relationship Crisis with Mother Nature. From a single, disarming admission the conversation opens into what it actually means to rebuild a relationship with nature, and why the language we use to talk about that relationship might matter as much as the science behind it.In this episode, we cover:“It's not the cow, it's the how” — livestock grazed well restores soil biodiversity and landscapes at scale, and it's factory farming, not meat itself, that's the problem.How ecological literacy starts with three questions and answering them is how people rebuild a felt, not just intellectual, sense of being part of nature rather than separate from it.The “we are nature” dictionary fight — why the Enlightenment-era idea that only humans have the divine spark is the philosophical root of ecological destruction.What a nature-positive strategy actually means in practiceRehabilitating carbon credits — how reducing and investing go together rather than being a trade-off, and that inaction, not offsetting, is now the biggest collective risk companies face.Conditional optimism as a disciplineMore from Timtimchristophersen.comGeneration Restoration by Tim ChristophersenTim Christophersen | LinkedInResources mentioned:Braiding Sweetgrass by Robin Wall KimmererEat More Trees DocumentaryKiss the Ground & GroundswellRoots So Deep (you can see the devil down there) — 4-part documentary on adaptive grazingRewilding the World Podcast with Ben GoldsmithRestor — Tom Crowther's “Google Maps for nature restoration” platformAcción Andina — indigenous-led restoration of high Andean cloud forestsSymbiosis Coalition — Salesforce, Google, Meta, Microsoft and others' joint nature-based carbon removal commitmentTaskforce on Nature-related Financial Disclosures (TNFD)Science Based Targets initiative (SBTi)We Are Nature campaign — the dictionary-definition campaign Tim referencesCarbon Literacy ProjectCopenhagen Cloudburst Management Plan — the “sponge city” case study discussed
More from KatieGreen, Not Greenwashed: Get the clarity and confidence you need to talk about your eco-efforts without the fear of greenwashing.Follow Katie on Instagram @katietreggiden.1More from MalinGreenwashing 101: Green or Greenwashed? Essential insights for sales and marketing professionals to make sense of sustainability and avoid falling into greenwashing's trap.Follow Malin on LinkedIn @malin-cunninghamPS Looking for Brackish? That has a new home at https://brackishbykatietreggiden.substack.com/t/podcast
Katie opens by admitting she finds herself saying "it depends" a lot when people ask which of two options is more sustainable and that conundrum is exactly what Firstplanit was built to address. What follows is a conversation about products as systems, why radical transparency sells, and why sustainability comms may need more complexity, not less.
In this episode, we cover:
Products as systems, not just shapes — Design has historically treated materials as secondary to form, Firstplanit's approach reverses that, modelling a product as a system of performance, environmental, social and health data so non-technical decision-makers can act on it quickly.
Why radical transparency sells — Rather than leading only with strengths, Ankita encourages brands to state clearly what a product does better, by how much, and what it doesn't achieve and why. That combination is what builds buyer trust, because it shows the work has actually been done.
The unintended consequences of single-issue decision-making — Drawing a parallel with medicine, Ankita warns against narrowing sustainability down to one metric (like carbon) the way we once did with cost: it just becomes another number and misses whatever wasn't measured.
Confidence comes from process, not outcome — Because innovation is inherently risky, Ankita argues real confidence comes from being able to communicate your methodology and the steps you're taking not from waiting for a guaranteed positive result before you speak.
Complexity needs a story, not just data — Data alone is dry; Ankita's structure for a second conversation pairs a short, connecting headline with a rich mission and impact story ready for when someone wants to go deeper, including benchmarks and cross-category comparisons.
Sustainability needs a future-facing narrative — Ankita pushes back on sustainability being framed as nostalgic or vernacular, pointing to concepts like biomimicry as proof that framing progress as forward-looking innovation, not virtue signalling, brings more people on board.
More from Ankita
www.firstplanit.com
Linked: @ankitadwivedi
Resources mentioned:
UK Green Building Council
Wild Spaces
The Rest Is Politics hosted by Alastair Campbell and Rory Stewart
Hysteria hosted by Erin Ryan and Alyssa Mastromonaco
Between The Covers hosted by writer David Naimon with writer, poet and translator Eleni Sikelianos
How giffgaff built sustainability and responsibility into its media planning
Giffgaff Responsible Marketing Manifesto
More from KatieGreen, Not Greenwashed: Get the clarity and confidence you need to talk about your eco-efforts without the fear of greenwashing.Follow Katie on Instagram @katietreggiden.1More from MalinGreenwashing 101: Green or Greenwashed? Essential insights for sales and marketing professionals to make sense of sustainability and avoid falling into greenwashing's trap.Follow Malin on LinkedIn @malin-cunninghamPS Looking for Brackish? That has a new home at https://brackishbykatietreggiden.substack.com/t/podcast
After almost 20 years in the industry, she stepped away from that role to study for an MSc in Sustainability and Behaviour Change, wanting to understand what actually motivates people to change. She also sits on the Anti-Greenwash Charter's Advisory Council, alongside its founder Charlie Martin, a previous guest on the podcast.
In this episode, we cover:
Being the only sustainability person in the room and why that gap between the responsibility to drive change and the actual power to enact it is such a common thread across the profession.
Sustainability is stuck in reporting and compliance, not innovation, missing a huge opportunity by treating sustainability as a risk to manage rather than a driver of new thinking.
How the fear of falling foul of green claims regulation, a polarised political climate, consumer backlash, and a media agenda now dominated by AI are all pushing even well-intentioned companies into silence.
The "spiral of silence" - when companies stop talking about progress, it normalises inaction, lets other businesses off the hook, and leaves a vacuum for anti-net-zero narratives to fill.
Learning the hard way why internal comms means balancing three languages at once: the language of the business, the technical language of sustainability and a genuinely human register
A powerful episode reminding us that progress, however imperfect, communicated honestly, is what builds the trust that silence never can.
More from Pauline
LinkedIn - https://www.linkedin.com/in/pauline-robson/
The Anti-Greenwash Charter
Resources mentioned:
There Are Rivers in the Sky by Elif Shafak
Active Hope by Joanna Macy and Chris Johnstone
Meander, Spiral, Explode by Jane Alison
Yesteryear by Caro Claire Burke
Accidental Gods Podcast, hosted by Manda Scott
Screw This... Let's Try Something Else Podcast
Positive News
YearCompass
Vestre / The Plus
Tony's Chocolonely: Impact Report
Bump into Brum, Possible
The quote about partying, grieving, and activism during the HIV/AIDS epidemic that Katie mentioned comes from author and activist Dan Savage: “During the darkest days of the AIDS crisis, we buried our friends in the morning, we protested in the afternoon, and we danced all night. The dance kept us in the fight because it was the dance we were fighting for.”
More from KatieGreen, Not Greenwashed: Get the clarity and confidence you need to talk about your eco-efforts without the fear of greenwashing.Follow Katie on Instagram @katietreggiden.1More from MalinGreenwashing 101: Green or Greenwashed? Essential insights for sales and marketing professionals to make sense of sustainability and avoid falling into greenwashing's trap.Follow Malin on LinkedIn @malin-cunninghamPS Looking for Brackish? That has a new home at https://brackishbykatietreggiden.substack.com/t/podcast
In this episode, Malin is joined by Paul Randle, who spent thirty years watching marketing — the most powerful behaviour-change tool ever invented — point in entirely the wrong direction, a realisation that first hit him and his now co-author Alexis Eyre as fellow marketers on a Cambridge Institute for Sustainability Leadership course, sitting through session after session feeling, as Paul puts it, like they had devil's horns growing out of their foreheads. So he decided to do something about it: he co-founded the Sustainable Marketing Compass, which received 750,000 views in its first 24 hours on LinkedIn and is now embedded in programmes at Cambridge University Institute for Sustainability Leadership, the Chartered Institute of Marketing and the IPA. He co-authored two books with Alexis: Sustainable Marketing — The Industry's Role in a Sustainable Future, winner of the American Marketing Association's Leonard L. Berry Book Award, and Competitive Sustainability — Driving Change with Value, which asks the most powerful question in business right now — why wouldn't we?
Paul joins Malin to unpack why sustainability's old opening line stopped working, and what he and Alexis built to replace it.
In this episode, we cover:
Why you don't have to agree on everything if the one thing you do agree on is important enough
How The Ladder of Good swaps vague utopianism for six practical rungs because most sustainability visions are either a doom narrative or a Garden-of-Eden fantasy and neither gives a business a route map to actually get there.
How to communicate change by exciting people about the future rather than shaming them about the present, an energy Paul thinks the sustainability community has never matched.
Why reputation now has to hold up across the whole stakeholder chain, not just the brand story
How the nine Rs are built as shared doorways for the boardroom, not activist slogans
Why self-awareness is the chapter nobody expects to find in a sustainability book and how showing up determines whether stakeholders actually hear your business case or dismiss it as "sustainability sentimentality”
A great episode to remind us that real progress is won by finding the doorway where sustainability and business already want the same thing.
More from Paul:
LinkedIn: @paulmrandle
Website: Sustainable Marketing Compass
Resources mentioned:
Books
Sustainable Marketing: The Industry's Role in a Sustainable Future by Paul Randle and Alexis Eyre
Competitive Sustainability: Driving Change with Value by Alexis Eyre and Paul Randle
Perilous Times by Thomas D. Lee
Godstorm by Solitaire Townsend
Capitalism in the Anthropocene by John Bellamy Foster
Podcasts
Essential Guide to Writing a Novel with James Thayer
Examples of Sustainable Comms
Tony's Open Chain - its bean-to-bar traceability
Paul Polman’s Net Positive work at Unilever
The Bristol Pound
How to build a circular economy for EV batteries
The Relationship Aid — Specsavers' Valentine's Day hearing-aid campaign
More from KatieGreen, Not Greenwashed: Get the clarity and confidence you need to talk about your eco-efforts without the fear of greenwashing.Follow Katie on Instagram @katietreggiden.1More from MalinGreenwashing 101: Green or Greenwashed? Essential insights for sales and marketing professionals to make sense of sustainability and avoid falling into greenwashing's trap.Follow Malin on LinkedIn @malin-cunninghamPS Looking for Brackish? That has a new home at https://brackishbykatietreggiden.substack.com/t/podcast
In this episode, Katie and Malin record from the middle of the UK's second heatwave of the summer, with climate change dominating their feeds. Rather than add to the noise, they set out to do the opposite: share the good news stories they've gathered, proof that sustainability comms are being done well in plenty of places. From the green economy overtaking healthcare in market value, to furniture passports, tap water with a conscience, and a climate campaign borrowing its swagger from an unlikely source, this is Katie and Malin's antidote to doom-scrolling.
In this episode, we cover:
The green economy is too big to call niche — new figures show it's now worth $10 trillion and would be the third-largest sector in the world if counted on its own, directly contradicting the assumption that sustainability is either expensive or marginal.
Second-hand is coming for the built environment — a Vinted-style matchmaking platform for reclaimed construction materials, spotted at Futurebuild, points to specifiers getting the same resale infrastructure that's already transformed how people buy clothes.
Message layering, done properly — Deadgood's furniture passports give specifiers a simple traffic-light headline with full substantiation available underneath for anyone who wants it, a textbook example of Katie's Credible Comms Framework in action.
The tell that separates real commitment from performance — a Danish water brand that tells customers to choose tap water over its own product if they can, and why what's served at industry events says as much about a brand's values as its official comms.
Craving company, not protecting an edge — from a chocolate brand publicly celebrating the rival that beat it to the top of an impact ranking, to a lighting company happy to see its idea copied, genuine progress looks like inviting others in rather than guarding a competitive advantage.
Serious doesn't have to mean solemn — a climate campaign that borrowed the look of "Make America Great Again" to put science back in the spotlight shows that playfulness and rigour can sit in the same sentence.
Resources Mentioned
London Stock Exchange Group — Green Economy Mark Report
Futurebuild — the annual built environment sustainability conference and showcase
Madaster — the circular real estate and materials platform behind "Madaster Match," the Vinted-style marketplace for reclaimed construction products
Deadgood — the furniture brand behind the furniture passports
Design Conformity — the sustainability certification and back-end partner behind Deadgood's furniture passports
Dekiln and Johnson Tiles — the Manchester-born non-fired tile technology partnering with Stoke-on-Trent's Johnson Tiles to bring low-carbon tiles to market
Postevand — the Danish B Corp tap water brand in plant-based cartons
We Don't Have Time, and its Make Science Great Again campaign — Ingmar Rentzhog's campaign putting science at the centre of climate communication
Positive News — referenced as a source of good-news stories to counterbalance heavy news cycles
Check out the photos we mentioned here
More from KatieGreen, Not Greenwashed: Get the clarity and confidence you need to talk about your eco-efforts without the fear of greenwashing.Follow Katie on Instagram @katietreggiden.1More from MalinGreenwashing 101: Green or Greenwashed? Essential insights for sales and marketing professionals to make sense of sustainability and avoid falling into greenwashing's trap.Follow Malin on LinkedIn @malin-cunninghamPS Looking for Brackish? That has a new home at https://brackishbykatietreggiden.substack.com/t/podcast








