By Paul Zimmerman With the decision to postpone waste charging, there is a need to refocus support on the cleaners who sort and collect recyclables in households, businesses, buildings, estates and public areas. The cleaners play a key role in helping building managers minimise waste. Contrary to the popular opinion that the city does a poor job of recycling, Hong Kong is quite successful: we recycle 42 per cent of our used paper, and 92 per cent of our waste metal, including aluminium cans. This is thanks to the efforts of a dense network of cleaners. In addition to the estimated 2,900 scaven…