But not all food production has the same impact.
A Singapore-centric study commissioned by investment firm Temasek and carried out by the Agency for Science, Technology and Research and Deloitte, looked at the environmental impact of food items in terms of greenhouse gas emission, energy consumption and water consumption. The study looked at the life cycle of food, from the time it is produced, processed and transported then consumed.
Pork accounts for the most greenhouse gas emissions per annum per capita despite the fact that greenhouse gas emissions from one kilogram of pork is half that of one kilogram of beef, the study found.
"Hence, sourcing chilled food items from neighbouring countries or producing locally can serve to meaningfully reduce the environmental footprint as this means avoiding the need to import food through air transport," the study said. “When it comes to seafood, you're not sure if they're beings over-fished, if they're being farmed. I don't want to be overtaking from the environment and not giving back,” she said.
“Promoting sustainable livestock farming, which involves sustainable feeds, higher production yield, and better manure utilisation, is a critical step forward,” he said. Mr Tan added that the firm saw a rising consumption trend for plant-based diets and healthy food in Singapore, especially among the younger generation.
If it's protein, the restaurant ensures that it is carbon-neutral from the source, Mr Truesdale-Jutras said. “We would rather change the dish if we run out and use up something else from our own farm or garden than over order and sit on expensive and environmentally irresponsible amounts of product”, he said.Open Farm Community also minimises waste by using “absolutely everything” and composting the rest, Mr Truesdale-Jutras said.
“Do not waste food. Food wastage means the environmental impact caused by food production was for nothing,” he said, adding that the treatment and decomposition of food waste is estimated to contribute to an additional one-eighth of global greenhouse gas emissions.Similarly, Prof Chen said the one of the easiest changes people can introduce to their eating habits is to reduce food waste.
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