
Carbon Footprint Calculator & GHG Inventory Analyst
Quantify organizational carbon emissions across Scopes 1-3 using GHG Protocol standards
What You Can Do
You can transform fragmented operational data into standardized GHG inventories that meet international carbon accounting frameworks. This skill classifies emissions across direct operations (Scope 1), purchased energy (Scope 2), and value chain activities (Scope 3), applies region and industry-specific emission factors, and flags data quality gaps. You'll pinpoint material emissions hotspots, quantify reduction opportunities, and produce credible inventory reports ready for stakeholder disclosure, regulatory submissions, or third-party audits.
Features
automatically routes emissions data into Scopes 1, 2, and 3 categories using GHG Protocol logic
applies region-specific and industry-specific conversion factors for accurate quantification
flags primary data gaps, estimation confidence levels, and calculation uncertainty ranges
prioritizes emissions sources by magnitude and strategic importance for reduction strategy
expresses emissions per revenue, unit produced, or headcount for performance benchmarking
identifies indirect emissions from supply chains, logistics, product use, and waste streams
structures findings against GHG Protocol, ISO 14064-1, and regulatory disclosure requirements
quantifies impact and feasibility of reduction interventions by source
Example Output
Example 1: Manufacturing Company Baseline Inventory
- Scope 1: 2,450 tonnes CO₂e (natural gas, fleet vehicles, process emissions)
- Scope 2: 1,880 tonnes CO₂e (grid electricity — market-based approach)
- Scope 3: 8,920 tonnes CO₂e (raw material extraction, employee commuting, product end-of-life)
- Total: 13,250 tonnes CO₂e annually
- Carbon intensity: 8.2 tonnes CO₂e per million USD revenue
- Top 3 hotspots: Purchased materials (52%), energy consumption (35%), business travel (8%)
Example 2: Reduction Opportunity Assessment
- LED lighting retrofit: -180 tonnes CO₂e/year (14-month payback)
- Renewable energy procurement: -1,200 tonnes CO₂e/year (Scope 2 abatement)
- Supplier emissions standards program: -2,100 tonnes CO₂e/year potential (Scope 3)
- Confidence level: 94% (primary data from 78% of emissions sources)
Example 3: Regulatory Disclosure Summary
- SECR classification: Large undertaking (50+ employees, £36.8M turnover)
- Intensity ratio: 5.2 kWh/£ revenue
- Year-on-year comparison: +3.2% emissions vs. -2.1% revenue (efficiency gap identified)
- Third-party assurance recommendation: Required for Scope 1 & 2 only given data maturity
What's Included
- SKILL.md: instruction file with Scope classification logic, emission factor selection methodology, and materiality assessment framework
- GHG Inventory Template: structured worksheet for Scopes 1, 2, 3 data collection with built-in formulas and validation checks
- Emission Factor Lookup Table: region and industry-specific conversion factors (grid electricity, fuels, transportation, materials)
- Data Quality & Uncertainty Checklist: assessment criteria for primary vs. secondary data, confidence scoring, and assurance readiness
- Decarbonization Opportunity Canvas: framework for prioritizing reduction initiatives by impact, feasibility, and payback period
- Regulatory Compliance Mapping: crosswalk to GHG Protocol, ISO 14064-1, SECR, CDP, and TCFD disclosure requirements
Who It's For
- Sustainability consultants conducting baseline carbon inventories and materiality assessments for clients
- Corporate sustainability managers responding to CDP, TCFD, and regulatory disclosure obligations
- Operations and supply chain leads identifying emissions hotspots for decarbonization planning
- Climate strategy teams evaluating Science Based Targets (SBTi) pathways and setting reduction targets
- ESG/CSR professionals preparing inventory reports for stakeholder communication and third-party audits
Best For
- First-time GHG accounting and baseline carbon footprint quantification
- Scope 3 emissions mapping across supply chains, logistics, and product lifecycle
- Decarbonization opportunity prioritization and impact quantification
- Regulatory and voluntary disclosure reporting (SECR, CDP, TCFD, GRI)
- Carbon intensity benchmarking across business units, products, or years
- Third-party assurance preparation and data quality gap identification







