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

RELEASE: ISO and GHG Protocol Announce Strategic Partnership to Deliver Unified Global Standards for Greenhouse Gas Emissions Accounting

  • A new era begins in carbon accounting as ISO and GHG Protocol agree to harmonize their existing portfolios of GHG standards and to co-develop new standards for GHG emissions measurement and reporting
  • Until now, GHG standards have been developed separately with varying scopes and verification guidance. The new ISO–GHG Protocol partnership, announced today, represents a fundamental shift toward integration and co-development, enabling users to rely on a coherent framework and reducing potential confusion in the market
  • The partnership will produce a common global language for emissions accounting, which will accelerate progress towards decarbonization
  • The development of combined, credible standards for GHG emissions terminology, measurement, and reporting provides a long-awaited, trusted solution for companies, investors, verifiers, auditors and policymakers, and aligns with recent calls for harmonization by both government and companies.
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