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When natural gas is used as a fuel, it is cleaner burning than oil and coal, so you might say it’s a more eco-friendly fuel. However, the process for extracting natural gas from the earth has people from New York to Wyoming wondering if more environmental damage is being done than good. The process of hydraulically fracturing shale rocks with chemicals, water and sand has come under fire recently. Blamed for recent earthquakes in Ohio and Oklahoma, “fracking” has also been blamed for contaminated drinking water in other regions. Today’s guest is John Armbruster, a seismologist affiliated with
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