Tackling food waste is vital to reducing carbon emissions and should be at the forefront of Australia’s climate policies, advocates say. It is estimated that 7.3 million tonnes of food is wasted in Australia each year, costing the economy more than $20 billion annually. Find out about research by Food rescue charity OzHarvest and the Monash Sustainable Development Institute (MSDI) in their new report examining Australia’s progress on tackling food waste.