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The collapsed coal ash impoundment and closed power plant at Dan River Steam Station (Duke Energy), Eden, North Carolina. The impoundment failure caused the 2014 Dan River coal ash spill. U.S. Environmental Protection Agency

Pruitt Grants Oklahoma Leniency to Dispose of Toxic Coal Ash Without Federal Oversight

On Monday, Oklahoma became the first state to be granted a permit from the Environmental Protection Agency (EPA) to dispose of its own coal ash, The Associated Press reported.

The move displaces the federal government as the body responsible for coal ash disposal in EPA head Scott Pruitt's home state. Coal ash is the residue left over from burning coal for power that often contaminates groundwater. It is a change that industry has lobbied for and environmental groups have opposed.

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Energy
"This is what the raw crude oil looked like when firefighters arrived earlier in the 16900 block of N Pennsylvania." Oklahoma City Fire Department / Twitter

Pipeline Spews Raw Crude Oil in Oklahoma City

Raw crude oil spewed from a ruptured Sunoco pipeline in Oklahoma on Thursday.

The Oklahoma City Fire Department and hazmat crews responded to the situation after receiving reports of a "yellow liquid" shooting into the air near an oil and gas well site in Edmond, a suburb outside of Oklahoma City.

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Fracking
A 4.3 magnitude earthquake near Perry, Oklahoma on April 9. USGS

Four Earthquakes Rattle‬ Northern ‪Oklahoma in 24 Hours

A 4.3 magnitude earthquake that rattled Northern Oklahoma early Monday morning was the fourth temblor to strike the region in the past 24 hours.

In fact, a dozen-plus earthquakes, ranging from magnitudes of 2.5 to 4.6, have been recorded in the Sooner State since Friday, according to the U.S. Geological Survey.

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Fracking
USGS recorded two 4.2-magnitude earthquakes near Enid, Oklahoma on March 4.

Two 4.2-Magnitude Earthquakes Rattle Northern Oklahoma in a Single Evening

Two 4.2-magnitude earthquakes struck near Enid in northern Oklahoma Sunday at 5:17 p.m and 9:40 p.m., according to the U.S. Geological Survey (USGS). They are the largest recorded this year so far and even felt in neighboring Kansas.

The large quakes were followed by two smaller ones around the same area early Monday. The first was a magnitude 2.7 followed by 12:35 a.m. then magnitude 2.6 at 6:16 a.m.

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Renewable Energy
GE Renewable Energy

Nation's Largest Wind Farm Coming to Oklahoma

The Wind Catcher Energy Connection project, which includes a massive 800-turbine wind farm under construction in the Oklahoma panhandle, is getting closer to lift-off.

Southwestern Electric Power Company (SWEPCO), a subsidiary of major utility American Electric Power, announced this week a settlement with various parties, including Walmart, allowing the $4.5 billion project to move forward.

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House damage in central Oklahoma from the magnitude 5.6 earthquake on Nov. 6, 2011. Wikimedia Commons

Oklahoma Quakes Linked to Wastewater Injection Depth

The alarming string of earthquakes that have shaken Oklahoma for years has long been tied to the large volume of fracking wastewater dumped into the state's injection wells. And while state regulators have taken numerous measures to reduce wastewater disposal volumes to prevent such "induced" earthquakes, they might want to consider another measure—restricting how deep wastewater gets sent underground.

A new study, published Thursday in the journal Science, finds that Oklahoma's earthquakes can also be triggered by wastewater injection depth.

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Energy

Driller in Oklahoma Explosion Has History of Deadly Accidents, Safety Violations

The drilling company involved in Monday's natural gas rig explosion in Pittsburg County, Oklahoma that killed five workers has a long record of deadly accidents and numerous safety violations.

Ten workers have died within the past ten years at well sites linked to Houston-based Patterson-UTI Energy, the Associated Press reported, citing data from the Occupational Safety and Health Administration.

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Magnitude 4.2 earthquake shakes central Oklahoma on Wednesday night. USGS

8 Earthquakes Shake Oklahoma in 24 Hours

Several earthquakes have struck Oklahoma this week, including a magnitude 4.2 that hit the central part of the state on Wednesday night.

"The past 24 hours have had an uptick in earthquake numbers, with 8 quakes ranging from 2.6-4.2 magnitude occurring in Oklahoma," USGS tweeted.

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Energy
The Arbuckle Mountain Wind Farm in southern Oklahoma. Brian Hardzinski / KGOU

Massive Wind Farm in Oklahoma Set to Become Nation's Largest, Second Biggest in the World

American Electric Power (AEP) will invest $4.5 billion in a wind energy project in Oklahoma that could become the largest wind farm in the U.S., the utility announced Wednesday.

AEP will develop a 350-mile transmission line for the 2 GW farm.

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