Hungry, Hungry Microbes in Tree Bark Gobble Up Methane

Bad news: Trees emit methane, a greenhouse gas. Good news: Some are home to bacteria that can’t get enough of it.

Many of today’s geoscientists are carbon voyeurs. Knowing that human disregard for the carbon cycle has screwed the climate, they have kept a close eye on carbon’s hottest variants—carbon dioxide (CO 2) and methane. Both gasses trap heat on the planet through the greenhouse effect, and over a span of 100 years methane is 28 times more potent than CO2. Rigorously accounting for greenhouse gas flow is step one of building models that predict the future climate.

Some line items in the methane budget, such as pipeline leaks and cow

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