A worker sorts plastic bottles for recycling on the outskirt of Beijing. The recycling of steel, aluminium, plastic and paper, four carbon-intensive commodities, is expected to contribute to a total reduction of 670 million tonnes of carbon dioxide emissions this year, Miotech says. Photo: AFP

A worker sorts plastic bottles for recycling on the outskirt of Beijing. The recycling of steel, aluminium, plastic and paper, four carbon-intensive commodities, is expected to contribute to a total reduction of 670 million tonnes of carbon dioxide emissions this year, Miotech says. Photo: AFP