There’s a higher risk of earthquakes when wastewater from the hydraulic fracturing process is injected back into the ground, according to a report by the National Research Council, an arm of the National Academy of Sciences.
But a CNN story says it’s a small risk. Out of about 30,000 disposal wells nationwide, only a handful of noticeable tremors have been reported, with the strongest equivalent to a magnitude-4.8 earthquake, the panel of engineers and scientists concluded.
Hydraulic fracturing, commonly known as “fracking,” ...
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