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How Potent Is Methane?

Two federal agencies this month took steps that would allow the oil and gas industry to release more methane, a greenhouse gas, into the environment. Critics warned that methane is more potent than carbon dioxide at trapping the Earth’s heat, but some gave wildly divergent figures to describe how much more potent.

EPA Tax on Cows and Pigs?

Q: Is the EPA considering a tax on cows and pigs?
A: No. The farm lobby warned that EPA “could” push for such a tax, but EPA never proposed any such thing and says it lacks authority to impose one anyway.