In
a figurative sense, hydraulic fracturing, or fracking, has certainly
caused an earthquake in the energy industry. But now there's also
evidence that fracking-related activity is causing real earthquakes in
Oklahoma, according to a new study. The study links the small Oklahoma
earthquakes, which are now more numerous than similar quakes in
California, not to actual fracking for gas but to injection of fracking wastewater below the surface at disposal sites. The Washington Post
drills down into the subject, taking a detailed look at the evidence
for fracking-related quakes. The article also includes a response from
an energy-industry research group.
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