"In the five years since earthquakes first began blitzing Oklahoma, state officials have been hesitant to agree with scientists who blamed the oil and gas industry. The shaking doesn't appear to be slowing, but the regulatory response is ramping up as more state officials acknowledge the link between increased seismic activity and waste fluid pumped into the disposal wells of oil fields."

"Residents have rallied to oppose the Trans-Pecos pipeline, which will transport Eagle Ford shale gas across one of Texas' last remaining pristine areas."

"An internal investigation reveals regulators had wrongly assessed the water pressure built up inside the Gold King mine before releasing toxic wastewater".

"Four of the dirtiest plants, which sit on Native American soil, were expecting more lenient goals under the Clean Power Plan, but the EPA shifted gears."

"The 585 earthquakes that Oklahoma had in 2014 was a lot. But this year, Oklahoma has had more than that in less than nine months."

"A stretch of river fouled by toxic waste from an abandoned gold mine in southwestern Colorado last week was reopened to kayaking and rafting on Friday while water from river-fed irrigation canals was deemed safe for crops and livestock."

"On Sunday morning, hundreds of thousands of pounds of toxic gas were accidentally released from the Shell Oil facility in Deer Park [Texas]."