Briefing

Why methane and how it’s measured matters

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Date:

10 September, 2025

Summary

Methane is a potent greenhouse gas, 80 times more powerful than CO2 over a 20 year period. Urgent action to cut methane emissions is needed as an emergency brake on global warming. However, there are some voices and organisations using inaccurate or misleading claims about methane emissions, or the way they are measured, to spread confusion or delay action. This briefing outlines some of these false narratives and explains exactly why they are misleading.

For more information, contact:
Liam Hardy, head of research

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