Want to Reduce Your Food Waste at Home? Here are the 6 Best Evidence-Based Ways to do it

Want to Reduce Your Food Waste at Home? Here are the 6 Best Evidence-Based Ways to do it

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From the farm to the plate, the fashionable day meals system has a waste problem. Each yr, a 3rd of all meals produced around the globe, or 1.3 billion tonnes, finally ends up as garbage. Imagine that for a second – it’s like shopping for three baggage of groceries on the grocery store then throwing one away as you permit.

Wasting meals feeds local weather change. Food waste accounts for greater than 5% of Australia’s greenhouse gasoline emissions. And this doesn’t embody emissions from actions required to really produce the meals within the first place, corresponding to farming and transport.

One of the most important websites of meals waste is the home. In Australia, households throw out about 2.5 million tonnes of meals annually. That equates to between A$2,000 and $2,500 price of meals per yr per family.

But there’s some excellent news. Our Australian-first research, launched right this moment, recognized the six handiest behaviours anybody can do to scale back meals waste. Combined, these comparatively small adjustments could make a giant distinction.

Australian households throw out as much as $2,500 price of meals annually. Photo: Jo Lanta.

What we did

Food waste by households is a fancy downside influenced by many factors. Some, corresponding to meals kind, bundle measurement and security requirements, are out of a shopper’s management. But some are insignificant daily behaviours we are able to simply change, corresponding to shopping for an excessive amount of, forgetting about meals behind your fridge, not consuming leftovers and cooking an excessive amount of meals.

We needed to raised perceive the complicated nature of family meals waste. Together with Australia’s main meals rescue organisation OzHarvest, our research sought to establish and prioritise evidence-based actions to scale back the quantity of meals Australians throw away.

We reviewed Australian and worldwide literature, and held on-line workshops with 30 consultants, to collate an inventory of 36 actions to scale back meals waste. These actions will be broadly grouped into: planning for buying, buying, storing meals at dwelling, cooking and consuming.

We realised this could be an amazing variety of behaviours to consider, and many individuals wouldn’t know the place to start out. So we then surveyed nationwide and worldwide meals waste consultants, asking them to rank behaviours primarily based on their impression in decreasing meals waste.

We additionally surveyed greater than 1,600 Australian households. For every behaviour, contributors had been requested about:

  • the quantity of pondering and planning concerned (psychological effort)
  • how a lot it prices to undertake the behaviour (monetary effort)
  • family “match” (effort concerned in adopting the behaviour primarily based on completely different schedules and meals preferences within the family).

Consumers recognized psychological effort as the commonest barrier to decreasing meals waste.


What we discovered

Our analysis recognized the three high behaviours with the best impression in decreasing meals waste, that are additionally comparatively straightforward to implement:

  • Prepare a weekly meal at dwelling that mixes meals needing for use up
  • Designate a shelf within the fridge or pantry for meals that must be used up
  • Before cooking a meal, test who within the family shall be consuming, to make sure the correct amount is cooked.

Despite these actions being comparatively straightforward, we discovered few Australian customers had a “use it up” shelf within the fridge or pantry, or checked what number of family members shall be consuming earlier than cooking a meal.

Experts thought-about a weekly “use-it-up” meal to be the simplest behaviour in decreasing meals waste. Many customers reported they already did this at dwelling, however there’s loads of alternative for others to undertake it.

Some customers are extra superior gamers who’ve already included the above behaviours of their standard routines at dwelling. So for these individuals, our analysis recognized an extra three behaviours requiring barely extra effort:

  • Conduct an audit of weekly meals waste and set discount targets
  • Make a buying listing and stick with it when buying
  • Make a meal plan for the subsequent three to 4 days.

Our analysis confirmed numerous actions which, whereas worthwhile for a lot of causes, consultants thought-about much less efficient at decreasing meals waste. They had been additionally much less more likely to be adopted by customers. The actions included:

  • Preserving perishable meals by pickling, saucing or stewing for later use
  • Making a inventory of any meals stays (bones and peels) and freeze for future use
  • Buying meals from native specialty shops (corresponding to greengrocers and butchers) somewhat than giant supermarkets.

fridge shelf with sign
A chosen shelf within the fridge might help cut back meals waste. Photo: Holly Harry.

Doing our bit

Today is the United Nations’ International Day of Awareness of Food Loss and Waste. It seeks to extend consciousness and immediate motion in assist of a key goal within the world Sustainable Development Goals to halve meals loss and waste by 2030.

Australia has signed up to this aim, and we hope this analysis helps fast-track these efforts.

OzHarvest is launching its nationwide Use-It-Up meals waste marketing campaign right this moment, aiming to assist Australians with data, assets and suggestions. Based on our findings, we’ve additionally developed a decision-making software to assist coverage makers goal applicable meals waste behaviours.

Australia, and the world, can cease throwing away completely edible meals – however everybody should play their half.

This article is republished from The Conversation underneath a Creative Commons license. Author: Mark Boulet, Research Fellow, BehaviourWorks Australia, Monash University.

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Cover picture by Ralu Cohn.

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