Every year, the world produces enough food to feed everyone, yet millions go hungry while huge quantities are thrown away. The International Day of Awareness of Food Loss and Waste, observed on 29 September, reminds us that food waste is not just about leftovers—it is a crisis affecting hunger, the environment, and the economy. According to the United Nations, around one-third of all food produced globally—about 1.3 billion tonnes—is lost or wasted each year across farms, markets, restaurants, and homes.
Food Loss vs. Food Waste
Food loss happens during production and supply stages when crops are damaged, spoiled, or left unharvested due to issues such as poor storage, weak infrastructure, or transportation delays, while food waste refers to edible food discarded by shops, restaurants, schools, and households. Many developing countries struggle more with food loss because supply chains are fragile, whereas wealthier countries waste more food because consumers and businesses often buy or prepare more than needed and discard perfectly good products.
The Human Cost of Food Waste
While food is wasted in one part of the world, another part struggles to survive, with over 828 million people experiencing hunger and more than 250 million facing severe food insecurity. If even one-quarter of the food currently wasted could be saved, it could feed about 870 million people each year, showing that the hunger crisis is not only about food production but also about fair distribution and responsible consumption.
The Environmental Impact
Food waste harms the planet because discarded food rots in landfills and produces methane, a powerful greenhouse gas far stronger than carbon dioxide in the short term. Globally, wasted food contributes roughly 8–10% of greenhouse gas emissions, while the water, land, soil quality, and energy used to produce that food are also wasted. For example, food wasted each year is linked with around 250 km³ of freshwater use, an amount comparable to the flow of some of the world’s largest rivers.
Economic Consequences
Food loss and waste cost the global economy nearly USD 1 trillion each year, harming farmers, businesses, and households. In developing countries, losses during harvest and storage reduce farmers’ incomes and weaken livelihoods, while for families everywhere, buying more food than needed increases household expenses, especially when food prices are rising.
Simple Solutions Everyone Can Practice
Everyone can help reduce food loss and waste by making small daily changes that add up across communities and countries.
- Plan meals in advance and buy only what you need.
- Store food properly and use leftovers creatively.
- Read expiry labels carefully, since “best before” often still means safe to eat.
- Share extra food with neighbours or donate to charities.
- Support local farmers and businesses that actively reduce waste.
- Encourage schools, hotels, and restaurants to use smaller portions and smarter ordering systems.
Moving Forward Together
The International Day of Awareness of Food Loss and Waste reminds us that saving food is not only about saving money—it is about saving lives and protecting the planet. Governments, businesses, communities, and families must work together to improve food systems and build responsible food habits. Reducing waste is one of the most effective ways to fight hunger, protect nature, and create a sustainable future, because every piece of food saved is a step toward a fairer and healthier world.