We set the standards to measure and manage emissions
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Greenhouse Gas Protocol provides the world's most widely used greenhouse gas accounting standards for companies.
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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.
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GHG Protocol supplies the world's most widely used greenhouse gas accounting standards and guidance.
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Our tools enable companies to develop comprehensive and reliable inventories of their GHG emissions.
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We offer multiple online learning solutions on the world's most widely used GHG accounting standards.
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Latest
GHG Protocol Newsletter: October 2025
GHG Protocol Newsletter: October 2025
ANNOUNCEMENT: GHG Protocol and ISO Welcome COP30 Action Agenda to Harmonize Carbon Accounting
BELÉM, BRAZIL (11 November, 2025) – Greenhouse Gas Protocol (GHG Protocol) and the International Organization for Standa
Announcement
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