In this episode of The Soil Link Podcast, host Will Rundle sits down with Geraint Rowland, Group Environmental Director at Costain, to discuss how main contractors can transform material procurement and waste management in the construction industry.

With over 17 years at Costain, Geraint brings deep expertise in sustainability, infrastructure, and environmental impact reduction. He shares insights on circular economy strategies, innovative material reuse, and Costain’s efforts to drive carbon reductions across major infrastructure projects.

Soil Link and Costain are leading the way in sustainable construction, Will and Geraint discuss how the industry can accelerate progress towards a circular economy.

Key topics in this episode:
✔️ The evolution of sustainability in construction and why main contractors must adapt
✔️ How Costain saved 200 tonnes of CO₂e on the A30 project using stent, a byproduct from China Clay extraction
✔️ The challenges of balancing material imports and exports to reduce waste and transport emissions
✔️ How Costain’s Low Carbon Materials Mandate is reshaping procurement decisions
✔️ The role of data, AI, and digital tools like Soil Link in optimizing material reuse
✔️ Why industry-wide collaboration and supply chain partnerships are key to achieving net-zero goals

📍 Learn more about Costain: costain.com

🔊 Listen now to explore the future of sustainable infrastructure and innovative material management!