Glossary
Scope 3 Emissions

Scope 3 Emissions

Published

August 26, 2026

Last updated

August 24, 2026

Definition

Scope 3 emissions are all indirect greenhouse gas (GHG) emissions that occur in a company's value chain but are from sources not owned or controlled by the company. Defined by the GHG Protocol, this category encompasses 15 distinct upstream and downstream activities, often representing the largest portion of an organization's total carbon footprint. Examples include emissions from the production of purchased materials, transportation and distribution, business travel, and the ultimate disposal of the company's products by consumers.

Tracking and reporting Scope 3 emissions is a critical component of modern sustainability efforts and corporate financial reporting. Accurately quantifying these emissions requires extensive data consolidation from suppliers, vendors, and other third-party partners. For finance and operations leaders, this data is vital for risk modeling, identifying supply chain efficiencies, and informing strategic planning initiatives aimed at long-term decarbonization and value creation.

Related terms

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Frequently Asked Questions

Why are Scope 3 emissions relevant for FP&A teams?

FP&A teams use Scope 3 data to assess climate-related financial risks, model supply chain costs, and inform capital allocation for sustainability initiatives. This data provides a more complete view of long-term enterprise risk impacting financial forecasts.

Is measuring Scope 3 emissions mandatory?

Mandatory reporting of Scope 3 emissions varies by jurisdiction and is becoming more common through regulations like the EU's CSRD and proposals from the SEC in the United States. Many companies also report them voluntarily to meet investor and stakeholder expectations.

What is the primary distinction between Scope 3 and Scope 2 emissions?

Scope 3 emissions originate from sources throughout the value chain that are not owned or controlled by the company, while Scope 2 emissions are specifically from the generation of purchased electricity, steam, heating, and cooling.

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