Just Separate: Learning Waste-Sorting Rules

Just Separate is a gamified virtual reality experience designed to support the learning of correct waste-sorting procedures through direct practice, contextualized feedback, and repeated interaction. Rather than focusing primarily on general environmental awareness, the experience targets a more practical barrier to sustainable behavior: knowing exactly how to act when recycling rules, bin colors, or local collection systems are unfamiliar or have recently changed.

The virtual environment reproduces the ecological waste-sorting stations of a real eco-resort in Tuscany, including the newly introduced color-coded recycling system. After a short tutorial, participants are introduced to the task by a small squirrel mascot, which explains that waste has been left around the area and asks the user to help restore order by sorting it correctly. Users then interact with a set of different waste items scattered throughout the environment and must place each object in the appropriate recycling bin.

The experience is built around a learning-by-doing approach. Correct choices are reinforced through immediate positive feedback and an in-world progress counter, while incorrect choices trigger a clear error message and a voice-over explaining the correct disposal category. The incorrectly sorted object then reappears, allowing the participant to try again. The experience ends only when all items have been sorted correctly, ensuring that participants complete the task through successful practice rather than passive exposure to information.

Just Separate was developed as both an educational tool and an experimental research environment. Its aim is to strengthen three closely related outcomes: knowledge of local recycling rules, task-specific self-efficacy, and intentions to sort waste correctly. By reproducing realistic environmental cues and coupling them with immediate corrective feedback, the simulation is designed to reduce procedural uncertainty and help users connect abstract sorting rules with concrete actions.

The environment has already been tested in a real-world field study conducted during the introduction of a new waste-sorting infrastructure at an eco-resort. Following the VR experience, participants showed significant increases in knowledge of the new sorting rules, confidence in their ability to sort waste correctly, and behavioral intentions. The strongest improvement was observed for objective knowledge of the new recycling system.

For this reason, Just Separate provides a practical example of how immersive technologies can be used not only to communicate sustainability messages, but also to train specific pro-environmental behaviors through situated, interactive practice. Its gamified structure, visible progress, repeated attempts, and corrective feedback make it particularly suited for contexts in which people need to learn or update concrete environmental routines.