Public housing tenants' environmental awareness has been rising in the past two years, Permanent Secretary for Transport & Housing (Housing) Thomas Chan says.

A Chinese University survey showed over 73% of the tenants considered themselves to be more knowledgeable about environmental issues after joining the Green Delight in Estates community environmental programme organised by the Housing Authority. The figure is nearly 6% higher than last year.

More tenants are living a green life as nearly 70% of the respondents practiced source separation of domestic waste while 65% used recycle bags. The numbers are more than 10% higher than two years ago.

The Housing Authority and Green Power, the Conservancy Association and Friends of the Earth will co-organise the programme's third phase this year with the theme Action Blue Sky.

It will start a citywide energy-saving activity in public housing estates to encourage management staff and tenants to practice energy saving. The three green groups will also design in-depth education activities for 30 selected estates.