What makes some towns better at recycling food waste?

In parts of Spain and Italy, towns are being pushed to recycle food waste separately, but how well they do depends on more than just good intentions. A study looked at over a decade of data from towns in Catalonia and Italy, checking how much food waste each person recycled every year. It found that towns with systems like doorstep collection had much better results—some recycled up to 50 kilograms more food waste per person each year. Smaller towns with steady populations and older residents also did better. But places with high unemployment struggled to get people involved. The way towns collect waste matters a lot. Systems that make recycling easy, like picking up food waste right at people’s doors, seem to work best. However, the study also shows that money alone doesn’t guarantee success. Towns with similar incomes sometimes had very different results. This suggests that local habits, age groups, and how a town is set up play a big role too.Some factors were tricky. Higher unemployment usually meant less recycling, but income didn’t always follow the same pattern. In some cases, richer towns recycled less, while poorer ones recycled more. This could mean that awareness and convenience matter just as much as wealth. The research also points out that tourism and seasonal changes might affect how well waste collection works. Busy tourist spots could see big shifts in waste amounts depending on the time of year. Future studies could look deeper into how technology, people’s habits, and local policies influence recycling efforts.