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Putting food waste on the menu

Very little food waste egnerated by the commercial and industrial sector is recycled

Restaurants and cafes – with help from the public, government and suppliers – could do more to adopt sustainable food disposal practices and divert waste from landfill, a Flinders University study has found.

The South Australian research studied the motivations, difficulties and barriers facing food service businesses and their approach to voluntary food waste recycling in a bid to develop better recycling solutions.

The study of 22 small food outlets in the Mitcham Council area found 54 per cent had practices in place to recycle their food waste while 46 per cent do not. Insufficient kitchen space, additional labour costs and difficulty in separating food from non-compostable rubbish and hygiene and food safety issues were cited as reasons for not recycling.

While most restaurant and café owners were keen to reduce their waste to landfill, the provision of a free green organics bin was the single most important factor that would encourage them.

In Australia, about 7.3 million tonnes of food valued at $20 billion is wasted each year. Globally, the mountains of perishable foods left uneaten or used equates to more than 1.3 billion tonnes, with an estimated one-third of all food produced ending up as waste.

Recycling food scraps increases resource recovery, reduces waste to landfill and so helps cut greenhouse gas emissions.

“Where food waste cannot be prevented, we need to improve recycling and disposal, including in the food service sector which generates a large portion,” says Ellen Fogarty, Flinders University environmental health researcher.

The City of Mitcham provides businesses with an option to purchase 240 litre green organics bins, which it then collects and empties fortnightly. The council is undertaking a free Kitchen Caddy green organics trial with funding from a Green Industries SA Food Waste Incentive grant.

Dr Heather Holmes-Ross, Mitcham Council Mayor says the research will help direct future council policy.

“This results of this project, along with a number of research projects being undertaken by Flinders University research students, can be used to help the City of Mitcham make evidence-based decisions to make our city become more sustainable.”

For more information, visit: https://news.flinders.edu.au/

Related stories:

Major food businesses sign up to halve Australia’s food waste by 2050

StopTheWaste event highlights the issue of global food waste

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