Adam Klauber, Vice President of Sustainability and Digital Supply Chain at World Energy, dives into the intricacies of book and claim systems for low-carbon products. He discusses how these systems can bridge the gap between mismatched suppliers and buyers, especially in sustainable aviation fuel and clean steel markets. Klauber highlights the challenges like double counting and the need for registry interoperability, while advocating for certification's role in building trust. His insights shine a light on how long-term contracts can stabilize emerging low-carbon sectors.