Climate
E-Waste Drop-off Finder
Find the nearest certified place to drop old phones, batteries and chargers
Beginner8h1–2
LeafletNext.jsFirebase
16/20Local Climate Action Finder
Find cleanups, tree plantings and climate events near you this week.
Beginner8h1–2 people16/20 fit
Build Local Climate Action Finder for people who want to help but do not know how in ~8h with 1–2 people. Stack: Next.js + Leaflet + Firebase.
Why it wins: Low effort to build and lowers the barrier to action.
Build flow
01 · Problem
Motivated people do not know where local climate action is happening.
02 · Solution
Aggregate events from organisers into one map and calendar, with filters by time and effort and one-tap RSVP.
03 · Build
- 1Build an event submission form
- 2Render a map and calendar
- 3Add filters
- 4Add RSVP
04 · Demo
Filter for this weekend and RSVP to a cleanup.
MVP checklist
- Event map
- Time and effort filters
- RSVP
- Organiser submissions
Tech stack
| Tech | Role | |
|---|---|---|
| Next.js | Frontend + API routes | Web |
| Leaflet | Interactive maps | UI |
| Firebase | Auth + database | Backend |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
Related ideas
More ClimateBook a slot to fix a broken item and track what was saved from landfill
Beginner10h1–3Next.jsFirebaseCharts17/20Coordinate who collects kitchen scraps and where compost goes
Beginner10h1–3Next.jsFirebaseMaps API17/20