A public refuse collection point in Hong Kong, where food accounts for a third of municipal solid waste. Photo: David Wong
A public refuse collection point in Hong Kong, where food accounts for a third of municipal solid waste. Photo: David Wong

Hong Kong needs to win the war against mounting waste to fight climate change

Edwin Lau says charging for waste and efficient recycling are among must-have weapons as the city builds resilience against global warming, along with reverse vending machines and a ban on bottled water