BIN THERE, DONE RIGHT ♻️

Three bins. Zero confidence. One wrong throw and suddenly it’s a debate. Build something that ends the confusion and makes waste sorting stupidly simple. If people don’t have to think, they’ll do it right. Make that happen.

Registration closed

30 May 2026

Team size

Individual

Mode

Online

This challenge is closed

Role: Beginner track
Format: Evaluation only
Deadline: Closed 30 May 2026

Problem statement

There are three bins in the office kitchen. One is green. One is blue. One is black. Nobody is fully sure what goes in which one. The labels have faded. Someone put a pizza box in the green one last week and it sparked a genuine argument that is still unresolved.

India generates over 62 million tonnes of waste every year. A massive portion of it ends up in the wrong place not because people do not care but because the system makes it genuinely confusing to do the right thing. The bins are unclear. The rules are different in every city. Nobody explained it properly and nobody is going to read a brochure.

The person you are building for is not an environmentalist. They are not motivated by guilt. They just do not want to be the person who gets it wrong — if only doing the right thing were as easy as doing the wrong thing.

Build something that makes waste segregation so obvious and so frictionless that even the person who currently throws everything into one bag starts getting it right. Home, office, school, public space — pick your environment. Make correct behaviour the path of least resistance.

Deliverables

An app, a physical product concept, a signage system, a behaviour model, an awareness campaign with a working prototype behind it. Format does not matter. The problem does.
What You Submit
Working prototype, concept design, or system proposal with evidence it would work
A 3-minute demo or walkthrough showing the solution in its intended environment
One paragraph: what behaviour are you changing and how does your solution make the right choice easier than the wrong one

Evaluation criteria

35% Ease of Use
30% Friction Reduction
20% Clarity of Design
15% Real-world Impact

Questions & answers

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