CarbonSight

AR Carbon Footprint Map with Blockchain Verification

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CarbonSight is a web and AR platform that lets users:

  • Instantly scan building products and see their carbon footprint.

  • Get AI-driven retrofit recommendations for energy savings and reduced emissions.

  • View a live Carbon Footprint Map with interactive overlays.

  • Use blockchain verification to ensure sustainability data integrity.

  • Empower individuals, cities, and companies to make measurable climate-positive choices.

How we built it Frontend: React.js and TypeScript for fast, modern UI.

Backend: Node.js/Express for APIs, MongoDB for data storage.

AI/ML: Used model APIs and energy datasets to analyze retrofit options.

AR Features: Leveraged barcode scanning for product impact display and dynamic overlays.

Blockchain: Created overlays to verify carbon data provenance and support transparent reporting.

Deployment: Local hosting, Github Pages.

Challenges we ran into Aggregating reliable, granular carbon and energy data for diverse building products.

Building AR barcode scanning that works well across device types and browsers.

Integrating blockchain seamlessly without sacrificing user experience.

Ensuring strong security while handling real-world civic and environmental data.

Accomplishments that we're proud of

  • Created a working AR scanning demo—live preview with instant footprint scores.

  • Built a scalable API system for real-time carbon and energy insights.

  • Achieved secure blockchain data stamping on select retrofit recommendations.

  • Designed a user-friendly, actionable carbon footprint map.

What we learned

  • The importance of combining AI and AR for civic impact.

  • How clear data visualizations drive real-world behavior change.

  • Integrating blockchain for transparent audit trails is complex but rewarding.

  • Collaboration fuels innovation, building CarbonSight stretched our technical, design, and civic skills.

What's next for CarbonSight

  • Expand coverage to more regions and product categories.

  • Enhance our AR carbon map with multi-building overlays and community dashboards.

  • Upgrade blockchain verification for seamless reporting to city and regulatory agencies.

  • Partner with local governments, schools, and industry to scale impact.

  • Add more gamification and incentives for lower carbon scores and positive action.

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