Growing and Greening: What the WEF Global Aviation Sustainability Outlook 2026 Means for the Irish Aviation Sector

The most comprehensive annual assessment of aviation sustainability has arrived with a clear message. The World Economic Forum's Global Aviation Sustainability Outlook 2026, published in March 2026 with ICAO and ACI World, frames growing and greening as complementary goals. With 9.8 billion passengers expected in 2026 and record 2025 cargo volumes, the challenge is clear. For Irish lessors, airlines, airports, and a forthcoming EU Presidency, it maps structural opportunities and actions.

The WEF report warrants a constructive and strategic reading. Its central framing — 'ambitious pragmatism' — precisely describes the disposition Irish aviation executives should adopt in 2026. Three compounding drivers will determine competitive positioning across the next decade: the pace of SAF deployment and affordability, the coherence of national and EU regulatory frameworks, and the capacity of airports and airlines to transform infrastructure at the speed the net-zero trajectory requires.

SAF is the cornerstone of aviation decarbonisation. Mandates took effect across multiple regions in 2025, including the EU's ReFuelEU Aviation regulation, requiring 2% SAF blending at EU airports from 2025, rising to 70% by 2050. Regions are positioning as SAF hubs for energy security gains. Ireland's agricultural feedstock base, port infrastructure, and Atlantic wind proximity create a domestic SAF opportunity relevant to the IATA policy briefing for Ireland published in May 2026.

The demand context is substantial. ACI World's Airport Traffic Forecasts 2025–2054, cited in the WEF report, project global passenger traffic reaching 10.2 billion in 2026 and 18.8 billion by 2045. The ICAO 2025 Assembly reaffirmed net-zero by 2050, underpinning every regulatory and commercial decision in the sector. For Irish airports, the report highlights their role as energy hubs — expanding SAF distribution, electrifying ground operations, and strengthening resilience — requiring significant coordinated investment.

The report's policy findings are directly relevant to Ireland. Trade tensions are affecting aviation supply chains, while multilateralism through ICAO and CORSIA holds firm. Ireland assumes the Presidency of the Council of the EU in the second half of 2026, placing it in a unique position to shape European SAF policy, EU ETS provisions, and slot regulation at the moment the WEF identifies as critical for securing the regulatory certainty clean aviation requires.

Three actions follow. First, Irish airlines and lessors should accelerate SAF offtake agreements: early voluntary demand is critical to unlocking production investment. Second, Dublin and Shannon airport operators should publish transition roadmaps covering SAF distribution, ground electrification, and energy resilience. Third, the Irish Government should use its EU Presidency to advance clear, cross-regional SAF policy alignment; the WEF report identifies regulatory fragmentation as the single largest barrier to scaling clean aviation investment.

The WEF Global Aviation Sustainability Outlook 2026 is a document of pragmatic optimism: the destination has not changed, the tools are maturing, and regulatory foundations are strengthening. The alignment of a forthcoming EU Presidency, an active SAF framework, and a world-class aviation finance ecosystem creates a convergence few countries can match. The task is to ensure strategic intent translates into investment, infrastructure, and policy leadership before the window closes.

(The views expressed by the writer are his/her own and do not necessarily reflect the views or positions of BusinessRiver.)