Homepage | GHG Protocol

We set the standards to measure and manage emissions

Companies and Organizations

Greenhouse Gas Protocol provides the world's most widely used greenhouse gas accounting standards for companies.

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.

Corporate Value Chain (Scope 3) Standard Online Course

This convenient, self-paced course teaches business professionals how to account for emissions throughout their value chain.

Standards & Guidance

GHG Protocol supplies the world's most widely used greenhouse gas accounting standards and guidance.

Icon

Tools & Resources

Our tools enable companies to develop comprehensive and reliable inventories of their GHG emissions.

Icon

E-Learning

We offer multiple online learning solutions on the world's most widely used GHG accounting standards.

Icon

Latest

Forest Carbon Accounting Technical Working Group

02.20.2025

02.06.2025

Over the last year, Greenhouse Gas Protocol has reached a number of major milestones.

02.04.2025

Blog post