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ONE-THIRD OF ALL FOOD PRODUCED EACH YEAR THROWN AWAY ACROSS THE WORLD!

The COVID pandemic has shown the fragility of our global food supply chains, with many supermarkets and restaurants in almost every country having experienced food shortages. Millions of people in the UK alone have experienced severe food insecurity during COVID-19, according to a recent report by the country’s Foods Standards Agency. But food shortages were prevalent long before the pandemic.

At the same time, one-third of all food produced each year is squandered or spoiled before it can be consumed. Research also suggests that high-income countries waste as much food as sub-Saharan Africa produces.

This food waste then ends up in landfills to rot – which releases greenhouse gases. And when this is combined with the amount of energy it takes to produce, manufacture, transport and store this food, it contributes a staggering 3 billion tonnes of carbon dioxide to our planet. To put that in context, if food waste was a country, it would be the third-highest emitter of greenhouse gases in the world, after the US and China.

But the good news is there are numerous techniques, technologies and policies that together could help reduce global food waste at every point in the process of producing and consuming it.

Why is food wasted?

According to the Food and Agriculture Organisation for the United Nations, lack of infrastructure, limited knowledge on storage and food handling, combined with unfavourable climatic conditions, can lead to a lot of food spoilage and waste in low-income countries.

On the other hand, in high-income countries, aesthetic preferences and arbitrary sell-by dates mean food easily becomes waste. Cosmetic blemishes, produce that is too ripe, too big, too little or even the wrong shape can lead to perfectly good fruits and vegetables going to waste.

As the global population continues to increase, it places real pressure on world food production. Indeed, the industry will need to grow by at least two-thirds by 2050 to ensure adequate nutrition for everyone in the world.

Yet, despite the dire need to become more resourceful, food waste and loss is at an all-time high. Making it clear that unless prompt action is taken, food shortages will soon become a long-term reality.

What can be done?

The key to tackling this issue is to have a resilient and resourceful “farm-to-fork” approach to help reduce food waste and to ensure the future of food security. Here are some things that can help combat food waste:

AI drones and precision farming

Collaboration with food producers and more investment in technological applications and overall infrastructure at the earlier stages of the food supply chain can drastically improve food waste and loss in low-income countries.

This is important because plant diseases and pests – along with poor harvesting techniques – can be a big factor in the high levels of food waste at this point in the food supply chain.

Our research also indicates that artificial intelligence (AI) powered drones can help farmers become more resourceful and reduce the overuse of pesticides in food production. This is important because pesticides can adversely affect the food ecosystem. They pollute water, deplete soil fertility and contaminate turf – all of which can result in food loss and waste. This approach also enhances crop yield and reduces operational costs as well as improves the health of livestock. So it’s also better for the environment.

Target shoppers’ wallets

A big part of the food waste problem is changing how we shop and view food and our mindset around what constitutes waste. But research shows the best way to tackle food waste among consumers is to highlight the potential money that can be saved as well as the “feel-good factor”, or moral value, of doing a good thing for the environment.

recent study with households in London, UK and Ontario, Canada, found that a two-week money-based intervention – called “reduce food waste, save money” – helped participants to throw away 30% less food. Participants were given local information on food waste and costs, along with tips on how to improve food planning, efficiently purchase, store, and prepare food – and how to use leftovers to create new meals.

Similarly, new technology can help commercial kitchens reduce food waste by directly connecting behaviour changes to increased profits. For example, the Winnow software system calculates the costs of discarded food, correlating food waste to sales. This AI-powered system has allowed Ikea stores to reduce food waste by 50% in 2020, saving 1.2 million meals in the process.

Circular approaches and upcycling

A more creative approach to food waste comes via a circular food system, which prevents food waste from being discarded. It can, for example, be converted into renewable energy. Waste can even be transformed into more food for humans (for example, tofu from leftover soybeans), as well as animal feed.

Personal changes

While the problem of food waste can feel quite out of your hands as a consumer, there are things you can do to help.

Things like supporting businesses or restaurants that use waste foods in their products or meals. Planning your meals around sell-by dates. Not throwing out food if it’s a bit wilted or bruised and only buying what you need – especially on special occasions where food can often go uneaten and to waste.

You can also show supermarkets that “wonky” fruit and veggies are just as good as the “normal” shaped produce by buying these over the perfect looking pears or potatoes.

Ultimately, it’s not going to be any single thing that solves food waste, but a collective approach can enable us to make the changes that need to happen.

Source: www.theconversation.com

About İsmail Uğural

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