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A new study from Imperial College London reveals that airplane contrails — the thin white streaks left behind by jet engines - may be more harmful to the climate than the fuel emissions themselves. These artificial clouds trap heat in the atmosphere by preventing infrared radiation from escaping into space, creating a warming effect that significantly contributes to climate change. While carpon aloxide from aviation remains a major ER issue, researchers estimate that contrails could account for up to 57% of aviation's total climate impact. This discovery highlights the urgent need for alternative flight paths, cleaner fuels, and new aviation technologies to reduce the warming effect caused by high-altitude condensation trails.