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Climate

Cleanup Litter Data Logger

Log litter types during cleanups and turn them into evidence for policy.

Beginner8h2–6 people17/20 fit
TL;DR

Build Cleanup Litter Data Logger for cleanup volunteers and ngos in ~8h with 2–6 people. Stack: Next.js + Firebase + Charts.

Why it wins: Simple app that produces data NGOs can use.

Build flow

01 · Problem
Cleanups remove litter but the data on what was found is lost.
02 · Solution
Fast tap counters for common litter types, photos and location, aggregated into charts showing top polluting brands and items.
03 · Build
  1. 1Build tap counter UI
  2. 2Store sessions
  3. 3Aggregate by type and brand
  4. 4Export CSV
04 · Demo
Log items during a mock cleanup and show the top-items chart.

MVP checklist

  • Tap counters
  • Brand tagging
  • Location
  • Aggregate charts

Tech stack

TechRole
Next.jsFrontend + API routes
FirebaseAuth + database
ChartsData visualisation

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