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In this episode of Talking Supply Chain, host Brian Straight explores the growing importance of sustainable procurement—a practice that has quickly moved from a “nice-to-have” to a business imperative. As governments, investors, and customers increasingly demand accountability, procurement is no longer just about efficiency and cost; it is about building resilience, reducing carbon impact, and delivering long-term value across the supply chain.
Brian is joined by Dr. Luan Ho, Science Team Co-Lead at Tunley Environmental, a consultancy helping organizations embed sustainability into their procurement processes. Dr. Ho outlines Tunley’s evolution from an engineering-focused firm into a sustainability leader. Founded in 2017, Tunley shifted its emphasis in 2021 toward environmental sustainability consulting, developing science-based services to help companies measure and reduce emissions.
The conversation emphasizes the role of data-driven decision-making in sustainable procurement. Dr. Ho explains how carbon measurement and lifecycle analysis are critical tools for procurement leaders to understand the full impact of their sourcing decisions. By quantifying emissions across supply chains, companies can identify risks, set reduction targets, and demonstrate compliance with both regulatory frameworks and stakeholder expectations.
Finally, the discussion turns to practical strategies for adoption. Dr. Ho notes that while sustainable procurement can seem daunting, organizations can start by assessing their current emissions baseline, prioritizing high-impact areas, and gradually embedding sustainability criteria into sourcing. The key, he says, is approaching procurement not just as a transactional process but as a lever for systemic change—one that can reduce costs, strengthen resilience, and align businesses with the global drive toward a low-carbon economy.
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