Technology Sniffs Out Underground Gas Leaks

August 03, 2017 10:15 AM
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Natural gas is a clean-burning fuel that reaches homes through underground pipes. Unfortunately, older pipes often leak, wasting fuel and releasing unburned methane, a potent greenhouse gas. To find and measure leaks, Colorado scientists teamed up with the Environmental Defense Fund and Google Street View Cars to make "methane maps." From Fort Collins, Colorado, Shelley Schlender reports.