Where's the beef? Biogenic methane and ‘No Additional Warming’

“Governments need to tackle both methane and carbon dioxide emissions.” (Image: Getty)

Tue, 26 Aug 2025

As signatories to the open letter to the New Zealand prime minister about plans to set new biogenic methane targets based on the goal of No Additional Warming, we read the critique from Adrian Macey and Dave Frame with interest. Perhaps surprisingly, there is much we agree on. We agree on the need to reduce methane emissions and that much, much more needs to be done to cut carbon dioxide emissions. And we agree on the “gargantuan scale” of the task ahead: the current promises and policies of governments deliver a 10&n...

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