Business jets could reduce their contrail impact on the environment through “small altitude adjustments”, aviation sustainability solutions provider 4AIR found in its study. Its study evaluated over 16,000 flights, with over 27,000 flights hours, and found that out of 23 flights with the highest contrail impact, 65% of those top contributors could have avoided or minimised their contrail impact by flying higher. “Effectively reducing our contrail warming impact requires considering contrails on every flight, but successfully avoiding contrails on just a handful of flights would have a major impact, potentially without CO2 trade-offs,” said 4AIR president Kennedy Ricci. Contrails –

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