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by jbaczuk 970 days ago
Ice cores: https://www.methanelevels.org/#sources
1 comments
djfobbz 970 days ago
Though scientific, it's still a guesstimate and not factual data.
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barbazoo 970 days ago
> Changes in past atmospheric methane concentrations are determined by measuring the composition of air trapped in ice cores from Antarctica.

measurement, not "guesstimate"

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itishappy 970 days ago
Right, like every measurement humanity has ever made.
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