Coordinate who collects kitchen scraps and where compost goes
Beginner10h1–3
Next.jsFirebaseMaps API
17/20Restaurants post leftover food and nearby shelters claim it before it spoils.
Build Restaurant Surplus to Shelter Matcher for restaurants, shelters and volunteers in ~14h with 1–3 people. Stack: Next.js + Firebase + Maps API.
Why it wins: Clear double impact on hunger and waste.
| Tech | Role | |
|---|---|---|
| Next.js | Frontend + API routes | Web |
| Firebase | Auth + database | Backend |
| Maps API | Routes + places | API |
Coordinate who collects kitchen scraps and where compost goes
Geotag planted saplings and track whether they actually survive
Climate
Residents report waterlogged streets in real time so others can avoid them