How much do we really know about aviation’s impact on climate beyond CO₂?
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The report “Gaps and uncertainties in aviation non-CO₂ effects on climate” sums up the current state of scientific understanding and highlights priority areas where further research is needed.
The impact of aviation on climate goes beyond carbon dioxide (CO₂) emissions, including non-CO₂ factors such as nitrogen oxides (NOX), sulphur oxides (SOX), water vapour, particulates, and the formation of contrails and cirrus clouds.
Developed by the Aviation Non-CO ₂ Expert Network (ANCEN), coordinated by the EASA - European Union Aviation Safety Agency and supported under Horizon Europe, the report identifies priority areas for further research.