Figure 1： Global aviation sustainability annual survey – optimism (%)

procurement, such as through lowering their This is happening at a time of industry growth, and market developments across several regions, especially Asia-Pacific, mainland China and, with some caveats, Europe. In contrast to mounting volumes, which both reached new records in 2025. Across regions, governments have approved airport expansion plans, as long as they include a greater and wider climate change negotiations, the aviation ICAO, which has ensured that the sector's current technological development, maturity and adoption solutions beyond HEFA,3 such as carbon removals, waste circularity, and analytical tools powered by regional markets for SAF, including in the US.