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      • The ways to reduce the light pollution include reducing as many useless outdoor lighting as possible, modifying the existing lightings and redesigning them to become more dark-sky friendly, and choosing astronomical-friendly lighting sources.
      nightsky.physics.hku.hk/en-hk/light-pollution-resources/educational-resources/how-reduce-light-pollution

      How to Reduce Light Pollution? | HKU Light Pollution Research

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  3. nightsky.physics.hku.hk › en-hk › light-pollution-resourcesHow to Reduce Light Pollution? | HKU Light Pollution Research

    The main cause of light pollution in Hong Kong is the excessive and improper use of artificial outdoor lightings. The ways to reduce the light pollution include reducing as many useless outdoor lighting as possible, modifying the existing lightings and redesigning them to become more dark-sky friendly, and choosing astronomical-friendly ...

  4. en.wikipedia.org › wiki › Light_pollution_in_Hong_KongLight pollution in Hong Kong - Wikipedia

    As Hong Kong’s commercial and residential areas are not strictly separated, it is difficult to combat light pollution, as no simple regulation rule can be applied to these merged zones. The government currently imposes no laws to regulate excessive lighting. Instead ...

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  6. nightsky.physics.hku.hkHKU Light Pollution Research - University of Hong Kong

    How to Reduce Light Pollution? Adverse Effects of Light Pollution on the Environment and on Human. The Serious Global Problem of Light Pollution. The Seriousness of Light Pollution in Hong Kong. Light Pollution Brochure. Reference MaterialsReference Materials. Articles & Papers. Local Studies & Student Projects. Light Pollution Organizations.

  7. nightsky.physics.hku.hk › en-hk › light-pollution-resourcesThe Seriousness of Light Pollution in Hong Kong

    According to the data collected by the HKU Department of Physics since 2003, the brightness of the Hong Kong urban night sky is at least 30 times higher than that in the less-populated countrysides.

  8. www.sciencedirect.com › science › articleCoping with light pollution in urban environments: Patterns ...

    2024年3月15日 · Light pollution interferes with biological rhythms, influences behaviors, fragments habitats, and alters predation risk and resource abundance, which changes the diversity and spatiotemporal distribution of species and, hence, the structure and function of urban ecosystems.

  9. www.ke.hku.hk › story › monitoring-light-pollution-to-save-theMonitoring Light Pollution to Save the Night Sky

    Hong Kong has one of the worst light pollution problems in the world. Apart from the energy, health and environmental costs, light pollution has another price – the loss of the night sky.

  10. www.scmp.com › comment › lettersLetter | Hong Kong’s quest for sustainability must ...

    2022年8月28日 · Readers discuss how Hong Kong companies can help combat light pollution, the need for a clear timeline on launching a carbon market in the city, forest fires’ impact on climate change,...