How the war in Ukraine has made flying worse for the climate

By Viktoriia Ivannikova, Assistant Professor in Aviation Management, Dublin City University

Some long-haul flights connecting Europe and Asia are emitting 40% more CO₂ since the Russian invasion of Ukraine in February 2022, my new study shows. The spike is largely due to airspace closures above conflict zones which are forcing airlines to seek alternative routes, significantly increasing flight times. Longer flights consume more fuel and increase the operating costs for airlines, quite apart from their contribution to climate change.

The research I led with colleagues highlights how…

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