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TUI and the DLR address the climate risk of contrails, vital for the connectivity of the Canary Islands

TUI and the DLR address the climate risk of contrails, vital for the connectivity of the Canary Islands

YURENA VEGA -M24H Thursday, November 27 from 2025

The sustainability of the tourism model in southern Gran Canaria, intrinsically linked to air connectivity with major European markets, increasingly depends on mitigating its climate impact. The travel group TUI, a key player in the island's tourist arrivals, and the German Aerospace Center (DLR) have announced the start of a joint research project to measure and reduce the influence of contrails on global warming.

This project is of strategic interest to the Canary Islands, as scientists estimate that these contrails could be responsible for between one and two percent of global warming. Any regulations or operational changes resulting from these studies will directly affect the cost structure and air routes that serve the resorts of Gran Canaria.

Starting this week, a DLR Falcon 20E research aircraft is accompanying regular Tuifly passenger flights at a safe distance, taking measurements in regions with a high probability of contrail formation. The contrails produced by modern engines, particularly those with low soot emissions, are being analyzed in real time. Christoph Todt, TUI Airlines' Director of Sustainability, emphasized the importance of speed in implementation: "We want to help ensure that the research findings are quickly incorporated into daily aviation practices to reduce the climate impact of our flights."

For the South of Gran Canaria, where the volume of German, British and Nordic tourists depends on the massive operation of airlines like Tuifly, the pressure to decarbonize routes is not only an environmental imperative, but an operational risk that could increase the cost of travel logistics if alternative fuels or longer flight routes are required to avoid areas of high contrail formation.

These research flights are part of the pan-European A4CLIMATE project, which brings together 17 partners from nine countries. The ultimate goal is to develop concrete solutions, from new engine technologies to alternative fuels (SAF) and route optimization, to reduce aviation's climate impact. In a market highly sensitive to price and perceived carbon footprint, the climate efficiency of air transport will become a non-negotiable factor for maintaining the competitiveness and profitability of the island's hotel assets.

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