Airlines must monitor vapour trails under new EU climate rules

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🗞️ Driving the news: New EU climate regulations will require airlines operating from European airports to report the estimated climate impact of vapour trails, or contrails, in addition to carbon dioxide emissions
• The rules, agreed upon on August 30th, aim to enhance understanding of aviation’s non-CO2 environmental impacts despite opposition from the airline industry
• Initially, these requirements will only apply to flights within the European Economic Area, expanding to all flights into and out of the EU by 2027

🔭 The context: Contrails are known to contribute to global warming by promoting cloud cover that traps heat in the atmosphere
• Although the exact impact of contrails is uncertain, the European Commission stresses that this uncertainty should not prevent action
• Environmental advocates criticize a temporary exemption for long-haul flights, arguing it weakens efforts to address the full climate impact of aviation.

🌍 Why it matters for the planet: Monitoring and reporting the impact of contrails represents a crucial step in addressing aviation's broader role in global warming
• As the aviation industry accounts for approximately 2% of global CO2 emissions, regulating non-CO2 emissions like contrails can significantly contribute to climate mitigation efforts

⏭️ What's next: From next year, airlines will start reporting contrail impacts for flights within the European Economic Area
• By 2027, this reporting will extend to all flights entering and leaving the EU, alongside a focus on sustainable aviation fuels that meet stringent carbon footprint criteria

💬 One quote: “Studies have shown that the uncertainty in these effects is not a sufficient reason to avoid action,” stated the European Commission, underscoring the importance of addressing non-CO2 emissions

📈 One stat: Contrails' contribution to global warming could be at least as significant as the 2% of global CO2 emissions produced by aircraft.

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