The effect of COVID-19 on the global CO₂ emissions ratio of international vs. domestic aviation [OC]

In this final chart on the topic of global aviation CO₂ emissions, I look at the relative contribution of international vs. domestic aviation. On average, international aviation accounts for ~72% of the sector's emissions. During the closure of the world's major airport hubs, that share dropped to 60%. While international flights were hit hard by [...]