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Environmental impact of air travel, conceptual image
Environmental impact of air travel, conceptual image. The aircraft contrail is in the shape of the middle finger hand gesture that is a sign of disrespect in many cultures. There are tens of thousands of aeroplane flights each day, and millions every year. The impact on the environment from aviation includes noise pollution, particulate pollution, and the emission of pollutant gases, including greenhouse gases that contribute to climate change. Photo by SMETEK/SCIENCE PHOTO LIBRARY
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