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Contact: Miss Wu
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Address: No.4 Xinhua industrial zone, Huadou area, Guangzhou City, China
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Night light and light pollution may aggravate air pollution

Release date:2019-01-15

Looking up at the night sky in the city, even if the sky is clear, the number of stars that can be seen has become less and less, mainly due to the light pollution caused by the bright lights of the city at night. However, scientists have recently discovered that light pollution can not only cause problems for astronomers, but may even make global air pollution more and more serious.
    According to a study by the National Oceanic and Atmospheric Administration, a chemical called nitrate (generally an anion of nitrate) is limited and hindered by road lights that can be decomposed by cars and factories. harmful gas.
    Research by Harald Stark, a scientist at the National Oceanic and Atmospheric Administration, in Los Angeles, showed that light from buildings, street lights, and car lights can inhibit nitrate. “Our preliminary findings have shown that city lighting can slow down night cleaning by 7% and increase 5% of the starting chemicals that cause ozone pollution the next day.” Stark said, “We need the next step.” A more accurate quantification of its impact, how much ozone is actually produced in our city the next day. It is important to do this because many cities are close to the limits of ozone control, so even if it is so small The response may also have a huge impact."
    Although the light is much darker than the sun, it still has an adverse effect that is hard to ignore. To this end, Stark proposed a possible solution, which is to change the color of the light to a less influential red, but this may not be practical. Stark has another, simpler remedy to change the direction of the light down. Because the less light up, the less impact on the nitrate in the atmosphere.

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