The study suggests the extra trees may be creating a drag effect that prevents pollutants dispersing. Photo: AFP

More trees, more smog? How Beijing’s huge planting campaign may be trapping pollution

Extra drag from man-made forest caused concentration of air pollutants to rise by as much as 15 per cent, new study suggests

Topic |   China science

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The study suggests the extra trees may be creating a drag effect that prevents pollutants dispersing. Photo: AFP
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Stephen Chen

Stephen Chen

Stephen Chen investigates major research projects in China, a new power house of scientific and technological innovation. He has worked for the Post since 2006. He is an alumnus of Shantou University, the Hong Kong University of Science and Technology, and the Semester at Sea programme which he attended with a full scholarship from the Seawise Foundation.