Scientists Explore Unexpected Cause of Greenhouse Gas Pollution
The sound of running water has long been associated with positive health benefits, and the appealing sound of a babbling brook can be found on many recordings intended to aid relaxation and induce sleep. No countryside picnic is complete without the sweet singing of a shallow stream somewhere nearby, and water features that emulate the delicate rippling of water rivulets over rocks are popular additions to gardens all over the world.
Unfortunately new research suggests that the bubbles coming from freshwater sources may be a key and currently unaccounted for source of methane, the second-largest greenhouse gas contributor to human-driven global climate change.
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