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A Dying Coal Town Falls Into 'Fracking Frenzy' In 'Heat & Light'

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Large cracks in the sidewalk in Coyle, Okla., appeared after several earthquakes on Jan. 24. J Pat Carter/Getty Images hide caption

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U.S. Geology Maps Reveal Areas Vulnerable To Man-Made Quakes

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A motorcyclist waits Feb. 17 to buy gas in Caracas, Venezuela. President Nicolas Maduro increased the price of gasoline for the first time in 20 years, as he faced growing pressure to ease an economic crisis in the oil-producing country. Juan Barreto/AFP/Getty Images hide caption

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Cheap Oil Usually Means Global Growth, But This Time Seems Different

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A botanist walks through the Pine Flatwoods of Big Cypress Preserve in December 2012. The preserve is home to several oil wells, but a proposed seismic study — being fought by environmentalists — could dramatically increase exploration. Tim Chapman/MCT/Landov hide caption

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Environmentalists Sound Alarm On Proposed Drilling Near Florida Everglades

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Elephants are an option for the first quiz question. These pachyderms are walking on a path at the Lewa Wildlife Conservancy at the foot of Mount Kenya, approximately 185 miles north of Nairobi. Tony Karumba /AFP/Getty Images hide caption

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Gary Matli, a field supervisor with the Oklahoma Corporation Commission, inspects a disposal well located east of Guthrie, Okla. Joe Wertz/StateImpact Oklahoma hide caption

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Faced With Spate Of Tremors, Oklahoma Looks To Shake Up Its Oil Regulations

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Bill Pentak of Panda Power Funds (left), Plant Manager John Martin (center) and Construction Manager Rob Risher (right) stand in front of the construction site for the new Panda Liberty gas power plant in Towanda, Penn. The plant, expected to come online in early 2016, was deliberately sited on top of the Marcellus Shale to take advantage of the cheap, abundant gas. Marie Cusick/WITF hide caption

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How Fracking Is Fueling A Power Shift From Coal To Gas

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At an October protest, hundreds of "We Are Seneca Lake" members block the gates of Crestwood Midstream to protest against the expansion of fracked gas storage in the Finger Lakes. PR Newswire/AP hide caption

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Residents Fight To Block Fracked Gas In New York's Finger Lakes

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Pump jacks and wells work in an oil field on the Monterey Shale formation in California. Economist Michael Porter says that hydraulic fracturing, or fracking, is a "game changer" for the U.S. economy. David McNew/Getty Images hide caption

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America's Next Economic Boom Could Be Lying Underground

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Workers use perforating tools to create fractures in rock. An EPA study finds that "fracking" to reach and extract deep pockets of hydrocarbons has not caused widespread drinking water pollution. Brennan Linsley/AP hide caption

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EPA Finds No Widespread Drinking Water Pollution From Fracking

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Austin Holland, research seismologist at the Oklahoma Geological Survey, gestures to a chart of Oklahoma earthquakes in June 2014 as he talks about recent earthquake activity at his offices at the University of Oklahoma in Norman, Okla. The state had three times as many earthquakes as California last year. Sue Ogrocki/AP hide caption

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Oklahomans Feel Way More Earthquakes Than Californians; Now They Know Why

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Interior Secretary Sally Jewell speaks in Anchorage, Alaska. The Obama administration is requiring companies that drill for oil and natural gas on federal lands to disclose chemicals used in hydraulic fracturing operations. Dan Joling/AP hide caption

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A platform owned by Mexico's state-run oil company Pemex is seen off the Bay of Campeche in the Gulf of Mexico. The country has recently opened up its energy sector to foreign investors. Victor Ruiz/Reuters/Landov hide caption

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Excitement Over Mexico's Shale Fizzles As Reality Sets In

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