We set the standards to measure and manage emissions
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Companies and Organizations
Greenhouse Gas Protocol provides the world's most widely used greenhouse gas accounting standards for companies.
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Countries and Cities
Greenhouse Gas Protocol provides standards and tools that help countries and cities track progress toward climate goals.
In 2023, 97% of disclosing S&P 500 companies reported to CDP using GHG Protocol.
Standards & Guidance
GHG Protocol supplies the world's most widely used greenhouse gas accounting standards and guidance.
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Tools & Resources
Our tools enable companies to develop comprehensive and reliable inventories of their GHG emissions.
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E-Learning
We offer multiple online learning solutions on the world's most widely used GHG accounting standards.
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Latest
ANNOUNCEMENT: ISO-GHG Protocol to Jointly Develop New Product-Level GHG Accounting Standard; Call for Experts to Participate in Joint Working Group together with ISO Experts
WASHINGTON DC (October 27, 2025) – Following the announcement of a strategic partnership between the International
GHG Protocol Public Consultations Now Open: Scope 2 and Electricity Sector Consequential Accounting
Public consultation is a critical component of GHG Protocol’s Standard Development and Revision Procedure, providing an opportunity for all stakeholders to contribute feedback on key topics related to GHG Protocol standards and guidance.
RELEASE: GHG Protocol Opens Public Consultations on Scope 2 and Electricity Sector Consequential Accounting
Proposed revisions aim to improve accuracy while keeping reporting clear, consistent, and manageable for organizations of all sizes.