September 18, 2025
September 2, 2025
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45mins
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Climatalks

GHG Reporting: When is The Right Time to Rebaseline?

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Join us on September 18th at 4pm BST to discuss everything you need to know about the perilous, yet sometimes unavoidable, exercise of emission rebaselining.

As scrutiny around sustainability performance intensifies, organisations often confront a difficult question: How can we manage and communicate a change in our baseline or methodology confidently, without risking greenwashing accusations or backlash?

In this webinar, we’ll demystify why and when baseline changes become necessary, and guide you through everything you need to have in place before undertaking a major update, from documentation and version control to strategies for transparent communication.

We’ll equip you with the essential building blocks for managing and sharing methodology updates with confidence.

What You’ll Learn

  • When is it time to change your baseline? Understand the common triggers for rebaselining, including major organisational shifts, error correction, and changes in calculation methodology. 
  • How to successfully complete a rebaselining exercise: Strong internal policies, systematic processes, and clear documentation are critical before any update. We’ll guide you through step-by-step foundations and highlight how technology can support efficient, accurate rebaselining.
  • Communicating change effectively: A rebaselining must be clearly stated in your GHG report, but internal and external stakeholders need deeper transparency. Explore communication strategies that go beyond compliance, including documentation, training, transparent reporting and communication tactics to ensure clarity and buy-in.
  • Common pitfalls when rebaselining: Avoid the most frequent mistakes organisations make when implementing and communicating baseline changes. We’ll share practical solutions to help you sidestep these issues and maintain trust throughout the process.

Get your organisation ready! If you’re preparing for a rebaselining exercise, learn what it takes to get your organisation ready. At the end of the webinar, we’ll share a comprehensive readiness checklist, covering all the essentials to make your rebaselining exercise seamless.

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