OBE Sustainability

RAW GREEN

Business EN ↓ 55 episodes

Raw, unfiltered chats about the tech, policy and money behind climate solutions. Hosts Francesco De Lieto (OBE Sustainability Managing Director) and Emma Mee (Chief of Staff, Colbridge Ventures) sit with founders, scientists, academics and investors on what works, what doesn’t, and what still needs inventing. With a touch of humour. Produced by OBE, a sustainability consultancy specialising in life‑cycle assessment, research and climate tech. More: • oneobe.com • youtube.com/@RAWGREEN_1 • linkedin.com/company/on‑behalf‑of‑earthCiiiao!

Author

OBE Sustainability

Category

Business

Podcast website

oneobe.com

Latest episode

Jun 30, 2026

Where to listen?

Podcasts in the app Replaio Radio Coming soon

Podcasts are coming to the app soon. Install now and be the first to see a whole new take on podcasts

Get it on Google Play Install for free Android 5M+ downloads · 4.8 rating iOS soon

Episodes

Episode 054 - Can Rocks Remove CO₂? Enhanced Rock Weathering | Mat Meredith 30.06.2026

In this episode of RAW GREEN, Francesco De Lieto and Emma Mee speak with Mat Meredith, Chief Technology Officer at UNDO (https://un-do.com/), about enhanced rock weathering, one of the most promising carbon removal pathways with real gigatonne potential. Enhanced rock weathering sounds almost too simple: take crushed silicate rock, spread it on land, let rain and soil chemistry do the work, and re...

Episode 053 - Plastic Foam, Biochar & the Fight to Replace Styrofoam | Elizabeth Lee 16.06.2026

Plastic foam is everywhere. It protects our deliveries, insulates buildings, keeps food cold, cushions products, and makes modern logistics work. But materials like expanded polystyrene - better known as Styrofoam - are still largely fossil-based, difficult to recycle in practice, and often end up as long-lasting plastic waste. In this episode of RAW GREEN 🎤 🌵, Francesco De Lieto and Emma Mee sp...

Episode 052 - Live at Cerulean - Part II: Wave Energy, Ocean Tech & Microgrids: The Future Beyond the Grid? 13.05.2026

Recorded live at Cerulean II in London organised by Samudra Oceans, this Raw Green episode explores one of the most overlooked areas in climate tech and energy infrastructure: the ocean. Our host Francesco De Lieto is joined by Ophelia Chua (CFO, Rypples) and Laura Duggan (CEO, Fetch Energy), the discussion moves from ocean automation and climate tech investment to wave power, microgrids, energy s...

Episode 052 - Live at Cerulean - Part I: Deep Sea Mining Debate: Robots vs Regulation | Ocean Tech, Battery Metals & Unknown Ecosystems 06.05.2026

Recorded live at Samudra Oceans Cerulean event in London, this Raw Green episode dives straight into one of the most controversial frontiers in climate tech: deep sea mining. Joined by Alexander Nesiah (Founder, nMech Robotics / Atlas) and Dr. Nick Hardman-Mountford (marine scientist, policy advisor), the conversation explores whether ocean-based mineral extraction is a necessary step for electrif...

Episode 051 - What’s Really Inside a Battery? | EV Manufacturing, Defects & Gigafactories | Dan Brett 08.04.2026

EV batteries, manufacturing, defects, and gigafactory scale explained. Battery production is scaling fast — but how much do we actually see inside the cells being produced? In this episode of Raw Green, Francesco De Lieto and Emma Mee speak with Dan Brett (CEO of Sention Technologies) about EV battery manufacturing, lithium-ion battery defects, and how gigafactories manage quality at scale. We cov...

Episode 050 - How Secure Is the Energy Transition? | Uri Sadot 26.03.2026

The energy transition is accelerating — solar, storage, electrification. But as energy systems become more connected and more distributed, they also become more exposed. In this episode of  Raw Green , Francesco De Lieto and Emma Mee speak with Uri Sadot , Managing Director of Solar Defend (https://solardefend.eu/) , about a topic that is quickly moving from theory to reality: cybersecurity in ene...

Episode 049 - Is Carbon Fibre Actually Sustainable? | Gary Owen 11.03.2026

Carbon fibre is one of the most advanced materials in modern engineering. It makes aircraft lighter, electric vehicles more efficient, wind turbines stronger, and high-performance sports equipment possible. But behind these advantages lies a major challenge. Producing carbon fibre is extremely energy-intensive, manufacturing generates large amounts of waste, and recycling composites remains techni...

Episode 048 - Are We Measuring Emissions the Wrong Way? | Spencer Brennan 25.02.2026

For more than two decades, companies have relied on emission factors, spreadsheets, and high-level averages to calculate their carbon footprints. But what if this entire system is fundamentally flawed? In this episode of Raw Green , Francesco De Lieto and Emma Mee speak with Spencer Brennan , founder of Neutreeno (https://www.neutreeno.com/), about why today’s carbon accounting methods often fail...

Episode 047 - What Happens at Sea When Nobody’s Watching? | Nick Wise 11.02.2026

In this episode of  Raw Green , Francesco De Lieto and Emma Mee speak with  Nick Wise , founder and CEO of  OceanMind  (https://oceanmind.global/) and co-founder of  Climate TRACE (https://climatetrace.org/), about what really happens at sea when nobody is watching. Nick explains how satellites, artificial intelligence, and data-driven intelligence are being used to expose illegal fishing, environ...

Episode 046 - How the Sustainability Job Market Is Changing in 2026 | Martin Kettlewell 27.01.2026

Are green and sustainability jobs really declining — or is the narrative misleading? Despite the gloomy headlines, the reality may be more complex than it appears. In this episode of  Raw Green , Francesco and Emma are joined by Martin Kettlewell , founder of Pure Fuel (https://www.pure-fuel.com/), a recruitment firm operating across the UK and UAE, to unpack what is actually happening in the sust...

Episode 045 - Turning Waste Into Platinum - Dr. Chris Egan-Morriss & Patrick King 13.01.2026

"Can we really extract platinum from waste using bacteria?" Platinum group metals sit at the heart of the energy transition, enabling everything from catalysts and electronics to hydrogen and clean energy technologies. Yet their supply is highly concentrated, energy-intensive, and increasingly constrained. In this episode of  Raw Green , Francesco and Emma explore a radically different approach: u...

Episode 044 – Decarbonising Shipping | Grant Brown 17.12.2025

“We will have a multi-fuel future.” Shipping underpins global trade — but it’s also one of the hardest sectors to decarbonise. In this episode of  Raw Green , Francesco and Emma are joined by  Grant Brown , Director of Corporate Strategy (EMEA) at Hitachi , to unpack what shipping & maritime decarbonisation actually looks like in practice. From alternative fuels like e-methanol and e-ammonia,...

Episode 043 - Solving a Hidden Pollution Problem - Hanson Cheng & Siobhan Anderson 03.12.2025

Tyre wear is one of the biggest sources of microplastic pollution — but few people know it even exists. In this episode of  Raw Green , Francesco and Emma speak with  Hanson Cheng and Siobhan Anderson  from  The Tyre Collective (thetyrecollective.com), a team developing innovative technology to capture tyre particulate matter directly at the source. We explore why tyre dust matters for  air qualit...

Episode 042 - Rolling Solar, Literally - Neil Spann 19.11.2025

In this episode of  Raw Green ,  Francesco De Lieto  and  Emma Mee  speak with  Neil Spann , CEO of  Power Roll ,(https://www.powerroll.solar), about the company’s breakthrough in flexible solar technology. Power Roll’s unique micro-groove design enables lightweight, low-cost solar films that generate power from both sides — opening new possibilities for rooftops, facades, and unconventional surfa...

Episode 041 - Do We Really Have 40 Harvests Left? Andrej Porovic 16.10.2025

We’ve all heard it — and it sounds apocalyptic. But is it true, or just a gimmick to spark urgency while so many still miss the red flags? And yes, we’ve all watched  Clarkson’s Farm! In this episode, Francesco De Lieto and Emma Mee discuss the critical state of soil health and its implications for agriculture with Andrej Porovic, co-founder of PES Technologies (https://www.pestechnologies.com/)....

Episode 040 - Decentralising Data Centres With Heat - Charlie Beharrell 02.10.2025

AI is reshaping our world, but it comes at a cost: ever-larger data centres consuming vast amounts of energy and water while generating emissions and e-waste. In this episode of  Raw Green , Francesco and Emma talk with  Charlie Beharrell, Commercial Director at HEATA (https://www.heata.co), about why decentralisation matters. HEATA’s model distributes compute power into homes, turning waste heat...

Episode 039 - Can Carbon Insurance Save the Market? Chris Slater 18.09.2025

Francesco and Emma sit down with  Chris Slater, CEO of Oka – The Carbon Insurance Company  ( https://carboninsurance.co/ ) to explore one of the biggest questions in climate finance:  can insurance restore trust in carbon credits? In this episode we unpack: The  voluntary carbon market  and why credibility is under pressure How  carbon insurance  works to manage financial, performance, and reputat...

Episode 038 - Revolutionizing PVC Recycling with Microwaves - Dr. Henrietta Boyd 19.08.2025

In this episode, Francesco De Lieto and Emma Mee discuss the ongoing plastic crisis, focusing on the challenges and innovations in PVC recycling. They are joined by Dr. Henrietta Boyd, co-founder of Halocycle (https://www.halocycle.co.uk), who explains how their technology uses microwaves to break down PVC waste into valuable chemicals. The conversation explores the environmental impact of PVC, th...

Episode 037 - Has Uni Failed the Climate? Dr. Pavel Cenkl 29.07.2025

Hosts Francesco De Lieto and Emma Mee sit down with  Dr.  Pavel Cenkl , Dean of Academic Affairs at Prescott College in Arizona (https://prescott.edu/), to tackle one of academia’s toughest questions: “Are universities equally responsible—as much as governments and corporations—for our accelerating climate crisis?” 💬  Join the discussion What do you think: are universities part of the problem—or...

Episode 036 - Special Episode - When Green Tech Meets Happy Hour: FDL & EM Unleashed 15.07.2025

Emma and Francesco ditched the plan, cracked open a few drinks, and chatted about everything climate. Sparkling conversation tackling China’s new rule forcing data centres, steel, cement and polysilicon plants to source up to 80% of their power from clean energy; weighed in on geothermal potential, the looming water crisis and the need for greener housing; dug into why investor confidence and PR h...

Episode 035 - Biochar: The Unsung Hero of Carbon Sequestration - Ed Craig 30.06.2025

In this episode of Raw Green, hosts Francesco De Lieto and Emma Mee sit down with Ed Craig, CEO of Carbogenics (https://www.carbogenics.com/), to unpack the power of  biochar  for  climate change mitigation  and  carbon sequestration . Discover how Carbogenics’ proprietary  CreChar —a sustainable biochar produced from recycled waste—is upgrading anaerobic digestion  for enhanced  biogas production...

Episode 034 - Revolutionizing Seaweed Farming with AI & Robotics - Joyeeta Das 17.06.2025

Join hosts Francesco De Lieto and Emma Mee on  Raw Green  🎤 🌵 as they sit down with Joyeeta Das, engineer-turned-ocean entrepreneur and founder of  Samudra Oceans (https://www.samudraoceans.com), to explore the future of  seaweed farming ,  AI-driven marine agriculture , and  robotic aquaculture . Discover how Samudra’s grid-based technology boost harvest density, cut costs, and unlock new marke...

Episode 033 - Hybrid Solar Power: Naked Energy’s Bold Bet on PV-Thermal Innovation - Christophe Williams 29.05.2025

In this episode of  Raw Green  🎤 🌵, hosts Francesco De Lieto and Emma Mee - our new co-host (!) - sit down with  Christophe Williams , CEO and founder of  Naked Energy , to explore one of the most promising frontiers in clean energy:  hybrid photovoltaic thermal (PVT) technology . From advertising to clean tech, Christophe shares his entrepreneurial journey, and how  Naked Energy’s solar innovat...

Episode 032 - Decarbonising Factories with Solid-State Heat Storage: A Deep-Dive with Caldera - Andy Joynson 13.05.2025

This week FDL speaks with Andy Joynson , the business development director at Caldera (https://www.caldera.co.uk/), about the critical role of industrial heat in climate change and how Caldera's innovative thermal storage technology is addressing this challenge. They discuss the materials used in their heat cells, the temperature ranges and applications of their technology, and the target industri...

Episode 031 - Backing the Brightest: Inside the World of Climate Tech Investing - Emma Mee 30.04.2025

In this episode of  Raw Green , Francesco De Lieto sits down with Emma Mee , Head of Membership at Green Angel Ventures (https://greenangelventures.com/), to dive into the current landscape of climate tech investment. They explore how Green Angel Ventures supports early-stage startups, the firm’s investment philosophy, what they look for in a winning pitch, and the trends shaping the future of gre...

Listen to the RAW GREEN podcast in Replaio

Radio and podcasts in one app - free, with no sign-up. Install today and do not miss the launch

Get it on Google Play

Replaio is not a podcast publisher; show names, artwork and audio belong to their authors and are distributed through public RSS feeds.