Summary
This study employed a coupled modelling framework integrating economic, environmental and health analyses to estimate the impacts of incorporating carbon dioxide equivalent pricing into food commodities in Australia. A $23/tCO2-eq carbon price applied to food was projected to prevent approximately 49,500 DALYs whilst reducing food-related emissions by 6% and generating $866 million in public revenue. The findings suggest that climate policies incorporating food-related greenhouse gas costs are compatible with public health objectives to reduce diet-related disease burden.
UK applicability
The methodological framework is directly transferable to UK food systems and policy contexts, particularly relevant to post-Brexit carbon pricing mechanisms and net-zero commitments. However, UK food consumption patterns, emission profiles by commodity, and price elasticities would differ from Australia and would require recalibration using domestic food and nutrition survey data.
Key measures
Disability-adjusted life years (DALYs) avoided; food-related greenhouse gas emissions reduction (MtCO2-eq); tax revenue ($AUD); consumption-related changes in 11 disease states and 7 diet and weight-related risk factors
Outcomes reported
The study modelled the impact of a carbon price ($23/tCO2-eq) on food commodity prices, measuring changes in dietary consumption, disease burden (in DALYs), food-related greenhouse gas emissions, and tax revenues generated.
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