Don Bain and Michael Gillenwater discuss why a supply chain or value chain framework makes sense for GHG management. Michael asks tough questions while Don answers based on his experience as an EY supply chain partner and author of the Greenhouse Gas Management Institute's new course on Corporate Value Chain (Scope 3) Reporting. News on campus includes information about new curriculum and introduction of Molly White, registrar. Toolbox segment gives a shout-out to HP for publishing their Carbon Accounting Assumptions manual.