Workers unload garbage bags from bars and clubs in Wai Chai. Trash separation means a lot of digging in the trash. Edmond Tang / China Daily

Hong Kong generates 100,000 tons of glass waste every year. Most of it goes into landfills, although most would be recyclable. Eff orts to change the picture, however, remain fledgling. Guo Jiaxue tells.

(HK Edition 07/10/2012 page4)