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Posted 03/19/2023 09:16AM
Milton Shikuku
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The industry argued in government submissions that the science was not “robust” enough to justify reduction targets for these non-CO2 emissions. Scientists say the climate impact of vapour trails, or contrails, has been known for more than two decades, with one accusing the industry of a “typical climate denialist strategy”.
While carbon emissions from jet engines contribute to global heating, research suggests the contrails formed when water vapour and soot particles form into ice crystals have an even greater impact. These human-made clouds trap heat in the atmosphere that would otherwise escape into space.
Lobbying on vapour trails in documents obtained by openDemocracy highlights the lack of a consensus among airline executives, scientists and carbon offsetting websites over the exact climate impact of flying. It means people who wish to offset the environmental impact of their flights get significantly different prices.
The Intergovernmental Panel on Climate Change estimated in a special report in 1999 that the historic impact of aviation on the climate was two to four times greater than from its CO2 emissions alone. A 2020 study by the EU also reported that non-CO2 aircraft emissions, comprised mainly of contrails, warm the planet about twice as much as the carbon dioxide released by planes, but acknowledged there were “significant uncertainties”.
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Posted 03/19/2023 09:23AM
Milton Shikuku
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Posted 03/19/2023 09:37AM
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Posted 03/19/2023 09:43AM
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Posted 03/20/2023 10:28AM
Milton Shikuku
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Statements on developments
Several statements have been made on developments. First Air France, the premier French airline air group and France’s flag carrier, has posted a statement on the latest developments;
National call for strike action from 20 to 23 March, 2023
The French Civil Aviation Authority (DGAC) has asked all airlines to reduce their flight schedules to and from Paris Orly and certain French airports from 20 to 23 March, 2023 as part of the national strike action in France.
In this context, Air France plans to operate on these days 95% of its flight schedule, including all its long-haul flights and its flights to and from Paris – Charles de Gaulle. Last-minute delays and cancellations cannot be ruled out. The flight schedule is updated and customers affected by cancelled flights are notified individually by SMS and e-mail.
Posted 03/20/2023 10:31AM
Milton Shikuku
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Posted 03/20/2023 10:46AM
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Posted 03/20/2023 10:50AM
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ICAO has 193 member states, and its headquarters is located in Montreal, Canada. The organization's mission is to develop international standards and recommended practices for aviation safety, security, efficiency, and environmental protection.
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Posted 03/26/2023 12:24AM
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https://www.flightglobal.com/safety/boeing-donates-51-million-to-embry-riddle-aviation-safety-centre/152605.article
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Posted 03/26/2023 12:34AM
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https://simpleflying.com/american-airlines-boeing-777-diverts-frankfurt-water-leak/