Find the nearest cool public place and get heatwave alerts
Beginner8h1–2
LeafletWeather APINext.js
17/20Home Climate Risk Report
Enter an address and see flood, heat and air risks in plain language.
Intermediate16h1–2 people15/20 fit
Build Home Climate Risk Report for home buyers and renters in ~16h with 1–2 people. Stack: Leaflet + Python + Next.js.
Why it wins: Personal relevance makes climate risk concrete.
Build flow
01 · Problem
People sign leases and mortgages without understanding climate risks.
02 · Solution
Combine public flood maps, heat projections and air data for a location into a single scorecard with explanations and adaptation tips.
03 · Build
- 1Geocode addresses
- 2Query open risk layers
- 3Compute scores
- 4Render the report
04 · Demo
Compare two addresses and show the different flood scores.
MVP checklist
- Address lookup
- Risk scorecard
- Plain explanations
- Adaptation tips
Tech stack
| Tech | Role | |
|---|---|---|
| Leaflet | Interactive maps | UI |
| Python | Backend / scripting | Backend |
| Next.js | Frontend + API routes | Web |
Reference repos
Open-source projects you can build on. Links checked 2026-10-31.
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