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Green Roof Systems

HKU’s Sam Hui lists the public and private benefits

Updated on Jul 09, 2008 – SCMP

Public benefits

  • Mitigate urban heat island effect
  • Reduce dust and pollutant levels
  • Rainwater retention
  • Natural habitat for animals/plants
  • More natural look for urban landscape

Private benefits

  • Increase life expectancy of roofs
  • Reduce noise levels
  • Enhance thermal insulation
  • Heat shield
  • Better use of space
  • Reduce risk of glare for surrounding buildings

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