How potent is methane compared to CO2 over 20 years?

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Unharnessed methane is 80 times more potent than CO2 over 20 years.
Unharnessed methane is 80 times more potent than carbon dioxide (CO2) over a 20-year period. In the same context, capturing methane is described as turning it into power and revenue, while uncaptured methane remains a liability the industry is carrying.
Unharnessed methane’s potency figure over 20 years
The potency comparison is stated directly as 80 times more potent for methane than CO2 when measured over 20 years. This figure is used to characterise the environmental impact of methane that is not captured at palm oil mills.
Methane capture is framed as converting it into usable value
The discussion links capturing methane to producing power and generating revenue. It also notes that captured methane can be associated with internationally bankable carbon credits under COP29’s Article 6.4 rules.
The contrast between captured and uncaptured methane outcomes
Uncaptured methane is described as remaining “unharnessed” and therefore highly potent, while captured methane is described as becoming power, revenue, and carbon-credit eligibility. The text also states that only 30 per cent of mills capture biogas, leaving the majority without that conversion pathway.

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How potent is methane compared to CO2 over 20 years?

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