Food and Garden Organic Waste Management in Australia: Co-Benefits for Regional Communities and Local Government

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Abstract

Landfilling organic waste generates greenhouse gases and contributes to climate change. While the management of organic waste has been identified by all tiers of Australian government as paramount to meeting net zero emissions targets, diversion of domestic organic waste from landfill is primarily the responsibility of local government. This review of academic and grey literature considers developments in food organics and garden organics collections in Australia and the implications for regional communities. It reviews source-separated collections and the treatment of organic waste administered by regional local governments and identifies there is a dearth of information in this area. Key knowledge gaps emerging from the study include: (1) There is a disconnect between the various state governments’ policies, strategies, and regulation of organics diversion and action on mandating or supporting kerbside collections; (2) there is insufficient funding and subsidy to encourage councils to implement collection systems, and (3) the community has limited understanding of the cost and environmental burden of waste, and subsequently there is no willingness to pay for collection systems. This paper outlines how these issues contribute to individual regional councils deferring kerbside organic waste collection systems and offers recommendations that could enable the achievement of more ideal diversion targets that are relevant to, and affordable for, their local communities.

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Food waste generation and industrial uses: A review.

Francesca Girotto, Luca Alibardi, Raffaello Cossu (2015)

Food waste is made up of materials intended for human consumption that are subsequently discharged, lost, degraded or contaminated. The problem of food waste is currently on an increase, involving all sectors of waste management from collection to disposal; the identifying of sustainable solutions extends to all contributors to the food supply chains, agricultural and industrial sectors, as well as retailers and final consumers. A series of solutions may be implemented in the appropriate management of food waste, and prioritised in a similar way to waste management hierarchy. The most sought-after solutions are represented by avoidance and donation of edible fractions to social services. Food waste is also employed in industrial processes for the production of biofuels or biopolymers. Further steps foresee the recovery of nutrients and fixation of carbon by composting. Final and less desirable options are incineration and landfilling. A considerable amount of research has been carried out on food waste with a view to the recovery of energy or related products. The present review aims to provide an overview of current debate on food waste definitions, generation and reduction strategies, and conversion technologies emerging from the biorefinery concept.

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Understanding Food Loss and Waste—Why Are We Losing and Wasting Food?

Rovshen Ishangulyyev, Sanghyo Kim, Sang Hyeon Lee (2019)

The Food and Agricultural Organization (FAO) reported that approximately one-third of all produced foods (1.3 billion tons of edible food) for human consumption is lost and wasted every year across the entire supply chain. Significant impacts of food loss and waste (FLW) have increased interest in establishing prevention programs around the world. This paper aims to provide an overview of FLW occurrence and prevention. Economic, political, cultural, and socio-demographic drivers of FLW are described, highlighting the global variation. This approach might be particularly helpful for scientists, governors, and policy makers to identify the global variation and to focus on future implications. The main focus here was to identify the cause of the FLW occurrence throughout the food supply chain. We have created a framework for FLW occurrence at each stage of the food supply chain. Several feasible solutions are provided based on the framework.