Eco special: He rarely buys vegetables or pays for electricity

In a 1m by 4m raised garden bed on the rooftop of a multi-storey carpark in Yishun, civil servant Ong Chun Yeow grows mani cai, ulam raja, butterfly pea plant and Malabar spinach, among other edible greens.
In a 1m by 4m raised garden bed on the rooftop of a multi-storey carpark in Yishun, civil servant Ong Chun Yeow grows mani cai, ulam raja, butterfly pea plant and Malabar spinach, among other edible greens.ST PHOTO: ALPHONSUS CHERN

SINGAPORE - Once a week, civil servant Ong Chun Yeow walks a couple of blocks to harvest vegetables for his dinners that week.

In a 1m by 4m raised garden bed on the rooftop of a multi-storey carpark in Yishun, the 42-year-old grows mani cai, ulam raja, butterfly pea plant and Malabar spinach, among other edible greens.

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