Time for carbon neutrality and other emission reduction measures at European airports
研究了2009至2017年间近600个欧洲机场参与碳减排计划的因素，发现机场规模、绩效、集团归属和国家可再生能源发电量影响参与时机和程度，对机场管理者和环境政策制定者有参考价值。
Abstract Since 2009, one out of five European airports participate in carbon dioxide (CO 2 ) reduction programmes, although only 8% of them are certified as CO 2 neutral. This study aims to examine empirically internal as well as external factors of importance for airport participation in emission reduction programmes at different levels of involvement. Estimates of the Cox proportional hazard model based on almost 600 airports for the period 2009 to 2017 reveal that the likelihood and timing of participation increase with the size of the airport (number of passengers), independent of level of commitment. Performance (growth in number of passengers) and if the airport is part of a group are crucial for the advanced levels of the programme. Environmental progress at the country level is also a significant predictor, most distinctly represented by renewable electricity generation, whereas airports serving as hubs for low‐cost airlines are less likely to enter the carbon reduction programmes.