Global Sustainability Consortium - Uniting Stakeholders for a Sustainable Future

Dual-Tiered Tool for Every Stage

The GSC Carbon Footprint Calculator is a sophisticated, dual-tiered tool designed to guide organizations at every stage of their decarbonization journey. Begin with clarity using our publicly accessible free version, and unlock enterprise-grade precision with the advanced members-only module to drive your net-zero strategy.

Access the free calculator here

Comprehensive Analysis

Full Scope 1, 2 & 3 Emissions

Start Your Journey: Free Public Calculator

We believe in lowering the barrier to climate action. Our free, publicly available calculator provides an essential starting point for any business.

Quick Scope 1 & 2 Estimation

Get a foundational understanding of your direct emissions from owned sources and indirect emissions from purchased energy.

User-Friendly Interface

Input basic operational data (facility energy use, fuel consumption, fleet details) for an instant, high-level carbon footprint snapshot.

Awareness & Initial Insights

Identify your largest emission sources and understand the basics of carbon accounting at no cost.

Access the free calculator here

Power Your Strategy: Advanced Members-Only Calculator

For organizations serious about comprehensive carbon management, the advanced calculator is your definitive operational tool. Accessible through the secure member portal, it transforms complex data into a strategic asset.

Full Scope 1, 2, & 3 Coverage

Move beyond basics. Meticulously calculate emissions across your entire value chain, including purchased goods, business travel, waste, and downstream distribution—the categories where most business impacts lie.

Granular Data Input & Customization

Input data at the most detailed level. Customize emission factors for specific regions, suppliers, and materials to achieve auditable-grade accuracy tailored to your operations.

Scenario Modeling & "What-If" Analysis

Test the impact of reduction strategies before you invest. Model scenarios for renewable energy adoption, supply chain shifts, or material changes to forecast their effect on your footprint and ROI.

Benchmarking & Target Setting

Compare your carbon intensity against GSC industry benchmarks. Use these insights to set science-based targets (SBTi-aligned) and track progress against them.

Audit-Ready Reporting

Generate detailed, standardized reports suitable for disclosure frameworks like CDP, TCFD, and annual sustainability reports, streamlining your compliance and communication efforts.

Why Calculate with GSC?

Credibility

Built on internationally recognized GHG Protocol methodologies.

Action-Oriented

Goes beyond measurement to provide a clear roadmap for reduction.

Strategic Integration

Data flows seamlessly into the GSC Benchmarking Dashboard for a unified view of your sustainability performance.

Access Tiers

Public: Free access to core Scope 1 & 2 calculation.

Member-Exclusive: Full, advanced suite with granular analysis, benchmarking, and scenario planning.

Ready to calculate your impact?

Take the first step for free, or unlock full strategic control as a member.

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GSC Carbon Footprint Calculator