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bubblesclose | by NASA Earth RIght Now
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Methane bubbles pop on the surface of a lake near Fairbanks, Alaska, studied by ABoVE scientists. Lake beds provide a perfect environment for microbes to eat up the carbon released from the thawing permafrost. This produces methane—a potent greenhouse gas that is released in bubble seeps.

 

Image credit: NASA/Kate Ramsayer

 

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Taken on July 15, 2016