Table of Contents1Introduction2Key Takeaways5Chapter 1Owning the Challenge:Sustainability Stays Center Stage8Chapter 2A New Era of Accountability:Emissions Tracking and Reporting11Chapter 3Sustainable Travel Management:Uptake of Best Practices15Chapter 4Green Procurement:Using Demand as a Lever for Change17Chapter 5Decarbonization:A Closer Look at SAF Investments19Chapter 6Remaining Barriers:Joining Forces to Drive ChangeGBTA Foundation