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World Pollutionwatch: evidence grows of lifelong harm from polluted air

22.10.2017
Příroda
Historical data from studies on museum bird specimens, combined with current research, gives us a picture of the long-term harm from air pollutionThere is growing evidence about the lifelong harm from air pollution. The air that we breathe as children can stunt our lung growth, potentially causing problems later in adult life. Air pollution breathed decades ago has been shown to shorten lives in the UK today. However, investigating these lifelong impacts is hampered by a lack of historic measurements.Can the natural environment help us? Starting with lichens in the Jardin du Luxembourg, Paris in 1886, biomonitoring has helped to track air pollution. In a new twist, researchers in the US have constructed a 135-year history of pollution in America's rust belt by studying soot in the feathers of museum bird specimens. Tests on 1,347 birds showed that air pollution between 1880 and 1920 was worse than we thought. The birds also revealed useful data for climate modellers. It appears that soot pollution started to decrease around 1910, earlier than thought; with dips in the great depression and a rise for the second world war. Continue reading...
Zdroj: The Guardian

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