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Aviation Emissions to Rise 87% by 2050 Despite Efficiency Gains

September 29, 2026

2 min read

Key Takeaways

Global aviation emissions to rise 87% by 2050.
20% gain in fuel efficiency forecasted.
Passenger traffic to grow 134% by 2050.
Emissions intensity to fall from 91gCO2/RPK to 73gCO2/RPK.

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Strategic Implications

This forecast may indicate that despite efficiency gains, the aviation industry's growth could outpace emissions reductions, suggesting a need for accelerated deployment of sustainable aviation fuels and carbon removals to meet net-zero ambitions.

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What Happened

Global Air Travel Growth Outpaces Fuel Efficiency Improvements

According to IBA’s latest Sustainability Watch analysis, global aviation’s gross emissions are forecast to rise 87% by 2050, despite a 20% gain in fuel efficiency of the commercial passenger fleet. The increase in emissions will be driven by a 134% growth in global passenger traffic and expansion of the commercial aircraft fleet. IBA notes that while fleet renewal will deliver improvements in emissions intensity, this will not be enough to reduce absolute emissions on its own. The analysis was reported by GreenAir News.

Source | Originally Published: September 28, 2026

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Technology & Systems

Aviation Emissions to Rise 87% by 2050 Despite Efficiency Gains

September 29, 2026

2 min read

Key Takeaways

Global aviation emissions to rise 87% by 2050.
20% gain in fuel efficiency forecasted.
Passenger traffic to grow 134% by 2050.
Emissions intensity to fall from 91gCO2/RPK to 73gCO2/RPK.

Sign in to view key takeaways Get full access to in-depth analysis and key takeaways.

Silver membership required Upgrade to Silver to access Key Takeaways.

Strategic Implications

This forecast may indicate that despite efficiency gains, the aviation industry's growth could outpace emissions reductions, suggesting a need for accelerated deployment of sustainable aviation fuels and carbon removals to meet net-zero ambitions.

Sign in to view strategic implications Get full access to strategic analysis and expert insights.

Silver membership required Upgrade to Silver to access Strategic Implications.

What Happened

Global Air Travel Growth Outpaces Fuel Efficiency Improvements

According to IBA’s latest Sustainability Watch analysis, global aviation’s gross emissions are forecast to rise 87% by 2050, despite a 20% gain in fuel efficiency of the commercial passenger fleet. The increase in emissions will be driven by a 134% growth in global passenger traffic and expansion of the commercial aircraft fleet. IBA notes that while fleet renewal will deliver improvements in emissions intensity, this will not be enough to reduce absolute emissions on its own. The analysis was reported by GreenAir News.

Source | Originally Published: September 28, 2026

Companies Mentioned