What innovative solutions are being developed to address food waste in urban areas?

Urban food waste is being tackled at several points: before food is discarded, while it is still edible, and after it can no longer be eaten. The most promising approaches connect businesses, residents and local waste systems rather than relying on a single fix.

Keeping edible food in use

Apps and local platforms help restaurants, grocery stores and bakeries offer surplus food to nearby customers or community organizations. This surplus food redistribution can make food available at a discount or route it to food banks and meal programs. Better logistics—such as shared pickup schedules and neighborhood collection points—help make donations practical for businesses with limited staff.

Preventing over-ordering

Retailers and food-service operators are testing AI-based demand forecasting to estimate what they will sell, using factors such as past sales, weather and local events. Some stores also use dynamic markdown pricing, lowering the price of items as they approach their sell-by date. These tools can reduce waste, though forecasts still need human oversight when demand changes suddenly.

Making unavoidable scraps useful

For food that cannot be eaten, cities are expanding separated organics collection and community composting hubs. Some are also exploring small-scale anaerobic digestion, which processes organic material to produce biogas and a nutrient-rich residue. These systems work best when residents and businesses sort scraps correctly and the city has a reliable plan for using the finished compost or energy.

Other projects link surplus produce with community kitchens or urban farms, where it can become meals or compost. The common thread is coordination: data tools can prevent excess, redistribution can save edible food, and well-designed collection systems can recover value from what remains.