Allianz安联：2025年高期望，重足迹-航空业追求气候中和天空的探索报告（英文版）

Aviation remains a cornerstone of our globalized economy, shrinking distances and accelerating the movement of people and goods, thereby enabling tourism and trade. But it is also one of the hardest sectors to align with global climate-neutrality goals by 2050. In 2023, aviation produced roughly 1 gigatonne of CO₂ – accounting for about 2.5% of all human-made CO₂ emissions, including land-use change. When accounting for non-CO₂ impacts such as contrails and nitrogen oxides, the sector’s share