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Intermediate16h1–2
LeafletPythonNext.js
15/20Heatwave Cooling Centre Finder
Find the nearest cool public place and get heatwave alerts.
Beginner8h1–2 people17/20 fit
Build Heatwave Cooling Centre Finder for vulnerable residents and caregivers in ~8h with 1–2 people. Stack: Leaflet + Weather API + Next.js.
Why it wins: Life-saving climate adaptation with a small scope.
Build flow
01 · Problem
Heatwaves kill vulnerable people who do not know where to go.
02 · Solution
Map cooling centres, libraries and malls with hours, show heat alerts and support a large-text, low-data mode.
03 · Build
- 1Collect locations
- 2Plot them on a map
- 3Add forecast-based alerts
- 4Add accessible mode
04 · Demo
Trigger a mock heat alert and show the nearest open cooling centre.
MVP checklist
- Cooling centre map
- Heat alerts
- Large-text mode
- Open-now filter
Tech stack
| Tech | Role | |
|---|---|---|
| Leaflet | Interactive maps | UI |
| Weather API | Weather data | API |
| Next.js | Frontend + API routes | Web |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
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