Challenges

The Aviation Challenge supports participants worldwide in advancing their sustainability journeys.
Together, we’re challenging ourselves to reduce aviation’s environmental footprint for the world we connect. By fostering collaboration and openly sharing insights, we accelerate positive change across the industry—driving progress that’s practical, measurable, and collective.

TAC 2025

Join TAC 2025 and be part of a global community driving sustainable aviation forward—turning bold ideas into impactful solutions with tangible, measurable outcomes.

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Previous Challenges
2024

16 airlines executed 22 flights in the most sustainable way possible while generating hundreds of innovative solutions. 22 airlines operated a total of 72 flights – 50 more than in 2022 – and submitted more than 350 new ideas.

2023

22 airlines operated a total of 72 flights – 50 more than in 2022 – and submitted more than 350 new ideas.

2022

The objective for TAC 2024 is to scale solutions and initiatives to accelerate with a focus on advancing adoption and collaboration.