Improving the performance of supply chain delivery times, costs and carbon footprint is critical to all participants in the chain and to the ultimate customer. But to deliver on these improvements requires changes to hardware, facilities, operational practices and technologies used, as well as inventorizing and quantifying emissions from all partners activities and materials. What are some of the best practices and tools that enable efficient management of supply chain performance? How much room is there for further reduction in delivery times or emissions through the application of these practices?