The Housing Authority has received the highest honour in the Green Building Leadership category under the Green Building Award 2016.
It is a new category of the award to recognise pioneering organisations contributing to a sustainable built environment.
Authority project the Hung Fuk Estate Public Rental Housing Development in Hung Shui Kiu Area 13 also won the Grand Award in the New Buildings category (Completed Projects - Residential Building).
The authority has implemented innovative design strategies and principles for public housing developments, including carbon emission estimation and microclimate studies.
New projects are planned with a green ratio of at least 20%.
The authority has also incorporated sustainability features such as recycled materials, energy-saving measures and water-saving initiatives in the construction stage.
Co-organised by the Green Building Council and the Professional Green Building Council, the award has been held biennially since 2006.