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
2024 Major Milestones for the GHG Protocol
Over the last year, Greenhouse Gas Protocol has reached a number of major milestones.
Blog post
2024 Reflections and Looking Ahead: Letter from GHG Protocol Steering Committee Chair and Vice Chair 
2024 was a historic year for GHG Protocol with achievements that demonstrate continued commitment to strong governance and transparent processes.
Announcement
GHG Protocol Newsletter: November/December 2024
GHG Protocol Newsletter: December 2024