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🛠️ SustainabilityLab Tool #001

Scope 3 Calculator

Collect Scope 3 activity data, test calculation methods, and visualise value-chain emissions across all 15 GHG Protocol categories — with targets and export built in.

Typical session

15–45 min per assessment

Built for

Sustainability teams, analysts, students

Category

Carbon Accounting

Version history

Releases

v1Live

First public release: data collection, emission factor library, dashboard, targets, insights, and PDF/CSV export.

What it helps you do

  • Structure Scope 3 activity data across the 15 GHG Protocol categories.
  • Compare spend-based, average-data, and supplier-specific calculation methods.
  • Identify emission hotspots before committing to a full inventory.
  • Translate a baseline into reduction targets and a trajectory.

What you walk away with

  • A working Scope 3 baseline you can inspect category by category.
  • Confidence in which data gaps matter most for your footprint.
  • An exportable summary (data and PDF) for internal discussion.
  • Practical understanding of why method choice changes the result.

Related sustainability concepts

The bigger picture

Scope 3 categoriesSpend-based methodEmission factorsData qualityScience-based targetsHotspot analysis

Coming next

Planned for future versions

  • Supplier data import
  • Scenario comparison
  • Sector benchmark library
  • Shared team workspaces