"The Arizona Supreme Court has greenlighted a lawsuit that the Hopi Tribe brought against the city of Flagstaff, Ariz. for selling wastewater to a local ski resort to make fake snow.

"TransCanada, the energy company behind the Keystone XL pipeline, was ordered by the Texas State Supreme Court last week to submit information on its use of eminent domain -- an action that keeps a key landowner lawsuit alive."

"Three coal-fired generators that opened in the 1960s near Farmington, N.M., closed Monday as part of a $182 million plan for Arizona Public Service Co. to meet environmental regulations, the utility reported."

"For the past three decades, Oklahoma averaged about 50 earthquakes a year. But that number has skyrocketed in the past few years. In 2013 — the state's most seismically active year ever — there were almost 3,000."

"Unhealthful levels of lead, arsenic and mercury were detected for the first time in several soil samples of the Calavera neighborhood in West El Paso, according to a recent remedial investigation report prepared for the Asarco Custodial Trust."

"New Mexico's attorney general sued on Thursday to block a horse slaughter plant scheduled to open next month from becoming the first facility of its kind to operate in the United States in more than five years."

"LAREDO — Many Texans who live along the border with Mexico share the legend of La Llorona, a repentant mother who is said to have drowned her children in the Rio Grande. And they pass on another myth: Once you drink the river-fed tap water here, you are bound to the region."

"A case involving the disposal of industrial wastewater pits two interests that are dear to many Texans against each other: oil and gas resources versus private property rights."

"MARIETTA, Okla. -- The ground had been shaking for a week, on and off, when the biggest of the earthquakes hit. People here heard two loud booms. Then the picture frames started falling. Wendy Gillham turned to see her flat-screen television crash to the floor only a foot or so from her infant girl. Then she looked outside and saw her chimney in pieces on her driveway."

Texan Steve Lipsky can set his well-water on fire. A major U.S. fracking company, Range Resources, has taken him to court for telling the news media about it.