By Edward Rajendra
Tools of the trade: The biogas and liquid compost is produced in the AD machine (in green) that occupies a parking bay behind MBPJ’s canteen.
Not going to waste: Old rice, vegetables leaves, stems and even tea bags are put into the AD machine that turns into biogas and compost.
Valuable by-product: The liquid compost that is alkaline-based can be used to soften the ground and act as fertiliser.
Not going to waste: Hariz showing the liquid compost that is collected that would be used to water the plants.