Greendale Primary’s environmental education adviser, Mr Edwin Chee, 41, a science teacher, said the school started a food-waste reduction programme last month.

It is among 10 primary and secondary schools that were leased food-waste digesters by the National Environment Agency (NEA) for two years under the Love Your Food @ Schools Project. The machines were installed in May. The leftover food will later be turned into compost using a food-waste digester, in a process that takes about 10 hours.

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