Chris Hughes
Chemical Journeys
Welcome to Chemical Journeys. Explore the science and story of chemicals in the environment through conversations with people working in this area.
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Episodes
Uncovering chemical biodegradation in the environment - Kathrin Fenner, Eawag 02.03.2026 1:07:00
In this episode I speak with Prof. Kathrin Fenner, one of the leading academic scientists in the study of chemical biodegradation and environmental persistence. Kathrin and I have a far-reaching conversation covering her background and research interests, challenges and developments in chemical biodegradation research, and implications for policy and society. We have learned an enormous amount ab...
Chemicals in our language - Joanna Gavins, University of Sheffield 29.01.2026 1:05:30
In this episode I speak with Joanna Gavins, who is a professor of English Language and Literature at the University of Sheffield. Joanna and I discuss the language we use and how this influences the way we think, feel and act in relation to choices we make, the environment, and chemicals. We start off by discussing the work Joanna has been doing at the Bio-based and Biodegradable Industries Assoc...
Early career journeys in academia and beyond - Fola Ogungbemi, Currenta 12.01.2026 55:00
Happy 2026, and welcome to Chemical Journeys Season 2! In this episode, I speak with Dr. Fola Ogungbemi, Senior Expert in Product Compliance at Currenta. Fola and I talk about his career journey so far, from student in ecotoxicology to senior regulatory consultant. We discuss experiences of early career scientists finding their next steps after completing a PhD, adapting to working in different se...
Putting yourself in a regulator's shoes - Watze de Wolf 19.11.2025 1:22:00
In this episode, I speak with Dr. Watze de Wolf. Watze has had a long and accomplished career working as a scientist and manager in both industry and regulatory settings, including 15 years working at the European Chemicals Agency (ECHA). We have a wide-ranging discussion about his experiences and observations of how chemicals management has evolved over recent decades, and attempt to provide...
A tool to improve your regulatory foresight - Steven Brennan, Foresight 27.10.2025 55:13
In this episode I speak with Dr. Steven Brennan, co-founder and CEO of Foresight . Foresight is a software platform that helps organizations to make sense of complex and fast moving chemical regulations, so they can always be ready for what's coming next. Steven and I have a nice conversation that shows how he turned his years of regulatory experience into a software solution that solves a ke...
Getting a grip on environmental persistence – Irene Bramke, AstraZeneca 06.10.2025 1:01:39
What happens to the chemicals we use in everyday life once they enter the environment? In this episode, I am joined by Dr. Irene Bramke, Senior Environmental Risk Assessor at AstraZeneca. Irene and I have a detailed discussion about persistence (how long it takes for chemicals to break down in the environment). With recent concerns around plastic pollution, PFAS 'forever chemicals', and...
Fostering advances in chemical safety research - Katherine Santizo, Cefic-LRI 15.09.2025 40:05
In this episode I speak with Dr Katherine Santizo, Programme Manager of Cefic's Long-range Research Initiative (LRI). Since 1999, Cefic-LRI has funded over 250 projects (totaling approximately €90 million) to advance the scientific assessment of the safety of chemicals, and to improve understanding of potential health and environmental risks. Tune in to hear first-hand from Katherine about t...
Green chemistry in practice - Anna Zhenova, Green Rose Chemistry 08.09.2025 50:51
In this episode I speak with Dr Anna Zhenova of Green Rose Chemistry. Green Rose Chemistry are a mission-driven consultancy applying the principles of green chemistry to help organisations to develop more sustainable products and processes. Our conversation covers: What does Green Rose Chemistry do? Green chemistry as a grass roots movement - the need for education and champions within organisatio...
Serving the regulatory compliance community - Janet Greenwood, TT Environmental 06.08.2025 56:01
In this episode, I speak with Janet Greenwood of TT Environmental. Janet has been working for many years in chemicals safety and regulatory compliance, and runs a community of regulatory professionals (the Chemical Regulations Self Help Group) here in the UK, and a regular newsletter (Chemicals Coffee Time) with over 4000 subscribers across the globe. Janet therefore brings an important perspect...
The dual revolution of AI and animal-free science - Thomas Hartung, Johns Hopkins University 28.07.2025 1:16:43
In this episode I speak with Professor Thomas Hartung. Prof Hartung is Doerenkamp-Zbinden Chair of Evidence-based Toxicology at Johns Hopkins Bloomberg School of Public Health, and Professor of Pharmacology and Toxicology at the University of Konstanz. He also holds positions as Director of the Center for Alternatives to Animal Testing (CAAT) and Field Chief Editor of the academic journal Frontie...
Working together to advance chemical safety - Blanca Serrano, ECETOC 21.07.2025 48:19
In this episode I speak with Dr. Blanca Serrano Ramón, Secretary General of the European Centre for Ecotoxicology and Toxicology of Chemicals (ECETOC). ECETOC is a scientific organisation that brings together experts from industry, academia and regulatory bodies to tackle challenges and deliver solutions for chemical safety. Through its range of task forces, events and coordination activities, EC...
Decoding messages from nature - Andrew Johnson, UK Centre for Ecology & Hydrology 09.07.2025 54:10
In this episode I speak with Andrew Johnson, Environmental Research Scientist at the UK Centre for Ecology & Hydrology and Visiting Professor at Brunel University. Andrew and I have a fascinating discussion about the current state of scientific research and public discourse on chemicals, and how a different approach might ultimately lead to better outcomes for wildlife. Our conversation cover...
How should society manage the use of chemicals? A conversation with Todd Gouin 30.06.2025 53:30
In this episode I am joined by Todd Gouin of TG Environmental Research. Todd and I have a far-reaching discussion about the science and policy of chemicals in the environment. Our conversation covers: Todd's career journey and the role of Don Mackay The concept of environmental persistence Tools for chemicals management and the evolving policy landscape Exposure assessment and risk assessmen...
How should we expect the new hazard classes under EU CLP to play out in practice? 10.06.2025 23:04
In this episode I share an article discussing the new hazard classes under the EU CLP regulation, and what this might mean for chemicals management more broadly. As a reminder, the new CLP hazard classes are: Endocrine disruptors (ED) for human health and the environment; Persistent, bioaccumulative and toxic (PBT); very persistent and very bioaccumulative (vPvB); and Persistent, mobile and toxic...
Investigating the fate of chemicals in the environment – Gabriel Sigmund, Wageningen University & Research 28.04.2025 1:11:34
I speak with Gabriel Sigmund, Assistant Professor at Wageningen University and Research, and board member of the International Panel on Chemical Pollution (IPCP). We discuss: Gabriel’s background and research interests How the fate of charged organic compounds differs from neutral compounds The issue of mobility in the environment and the concern around persistent, mobile and toxic (PMT) substance...
Tending the environmental science ecosystem - Sabine Apitz, SETAC Europe President 07.04.2025 1:03:42
Ahead of the Society of Environmental Toxicology and Chemistry (SETAC) annual European conference in Vienna (11-15th May), I caught up with Sabine Apitz, SETAC Europe President and Editor-in-Chief of the academic journal Integrated Environmental Assessment and Management (IEAM). Sabine and I had a fascinating discussion about environmental science, the scientific community, and the emergence and...
Advancing regulatory assessments for complex substances - Delina Lyon, Concawe 24.03.2025 1:15:04
In this episode I speak with Delina Lyon, Science Executive for Environment at Concawe. Del and I dive deep into the regulatory assessment of complex substances. This issue still presents a wicked challenge for industry and regulators alike, and Concawe's work is right at the forefront of this. Our conversation covers: What is Concawe? Del's role at Concawe Environmental assessment of...
Addressing environmental challenges while improving human wellbeing - Jason Snape, University of York 12.03.2025 1:35:47
In this episode I speak with Jason Snape. Jason is a Research Professor in sustainable healthcare and environmental sustainability at the University of York, and prior to that was Global Head of Environment at AstraZeneca. Our discussion covers: Jason's career journey to date His move into academia and future research goals Sustainable healthcare in developing economies Reflections on regula...
Untangling sustainability in the apparel industry - Libby Sommer 25.02.2025 1:04:59
In this episode I am joined by Libby Sommer, an independent consultant working on sustainability in the apparel industry. Libby and I discuss: Libby’s background and early career Her work on sustainability and life cycle assessments in the apparel industry Working with start-ups Drivers of innovation How sustainability focus areas have evolved over the years The environmental and human costs of t...
Why environmental persistence should be a top priority for safe and sustainable products 18.02.2025 15:19
In this episode I share an article discussing the issue of environmental persistence, and why this is fast becoming a top priority that producers of chemical products need to address. I also share some insights on what has been happening since the article was published. Read the original article: Why environmental persistence should be a top priority for safe and sustainable products — Embark Chem...
Reflecting on 40 years of regulatory developments in Europe – Peter Fisk 11.02.2025 1:22:04
In this episode I am joined by Peter Fisk, founder of Green Chemical Design Ltd, and formerly of Peter Fisk Associates (now Vitis Regulatory). Peter talks about his extensive career journey, and gives an honest appraisal of the evolution and current state of chemicals management in Europe. Our discussion covers a lot of ground, including: Peter's early career and interests as a scientist Ma...
Battling misinformation and disseminating knowledge in the cosmetics sector - Jen Novakovic, The Eco Well 05.02.2025 1:12:15
In this episode I am joined by Jen Novakovic from The Eco Well. Jen is as an influencer and podcaster in the cosmetics space. She focuses in particular on issues of science communication and misinformation. Our conversation covers: Jen's journey and work on science communication in the cosmetics sector What is misinformation, and why is it a problem? The role of social media and human biases...
Championing bio-based and biodegradable products - Jen Vanderhoven, BBIA 29.01.2025 51:05
In this episode I speak with Jen Vanderhoven, Chief Operating Officer of the Bio-based and Biodegradable Industry Association (BBIA) in the UK. The BBIA is in place to champion the industrial bioeconomy in the UK, and to reduce our reliance on fossil resources to create a sustainable circular economy. Jen has been making real waves in her role at the BBIA. We have a fascinating conversation cover...
Unlocking the potential of in silico toxicology - Paul Thomas, Kreatis 14.01.2025 1:27:37
In this episode I am joined by Paul Thomas, founder of Kreatis, a company that specialises in developing in silico tools for predicting chemical properties and hazard endpoints. Join us for an interesting conversation covering: Paul’s early career and experiences with building a company Quantitative structure activity relationship (QSAR) models for predicting chemical properties The role of QSAR...
Tackling regulations and product safety in a bio-economy startup – Clare Walker, Holiferm 07.01.2025 1:05:20
In this episode I am joined by Claire Walker, Head of Global Regulations and Product Safety at bio-economy startup Holiferm. We discuss Clare’s career journey and her role at Holiferm, where the process of fermentation is being harnessed to produce biosurfactants to replace fossil-derived ingredients across a wide range of products. We also discuss Clare’s work in mammalian toxicology and regulato...
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