"JEFFERSON CITY, Mo. -- An environmental group is heading to court in another attempt to overturn the way Missouri officials have implemented a 2008 ballot initiative about renewable energy."

"Across the high plains, many farmers depend on underground stores of water, and they worry about wells going dry. A new scientific study of western Kansas lays out a predicted timeline for those fears to become reality. But it also shows an alternative path for farming in Kansas: The moment of reckoning can be delayed, and the impact softened, if farmers start conserving water now."

"A little-known company called Halek Operating ND LLC is facing the largest fine North Dakota has ever levied against an oil and gas producer -- $1.5 million -- for jeopardizing drinking water near Dickinson."

"Drought, heavy rain increase amount of chemical in rivers."

"Federal environmental officials have completed part of a massive cleanup of lead from Omaha properties that began 15 years ago."

"The Ogallala Aquifer suffered its second-worst drop since at least 2000 in a large swath of the Texas Panhandle, new measurements show."

"WATFORD CITY, North Dakota -- In towns across North Dakota, the wellhead of the North American energy boom, the locals have taken to quoting the adage: 'Whiskey is for drinking, and water is for fighting.'"

"HASKELL COUNTY, Kan. — Forty-nine years ago, Ashley Yost’s grandfather sank a well deep into a half-mile square of rich Kansas farmland. He struck an artery of water so prodigious that he could pump 1,600 gallons to the surface every minute."

"Exxon Mobil Corp's near 70-year-old Pegasus oil pipeline leaked a small amount of crude into a residential yard in Ripley County, Missouri on Tuesday, a month after the same pipe spewed thousands of barrels of crude in Arkansas."