"As Texas’ rivers run dry and lakes fall to record low levels, part of the fight over water supplies is moving underground."

"Communal watercourses called acequias, some of which date to the 1600s, connect people to their land, neighbors and ancestors. But as the channels dry up, farmers consider more efficient irrigation."

"BP Plc faces the first of almost 48,000 toxic exposure claims from neighbors of a Texas refinery who say they’ll give the billions of dollars in punitive damages they’re seeking to charity if they win at trial."

"Publishers producing high school biology textbooks that could be used in classrooms across Texas are being pressured to water down lessons on evolution and climate change, a progressive watchdog group said Monday."

"The Rio Grande is the lifeblood of South Texas. Cities and farmers on both sides of its international border depend on its water. A 70-year-old treaty between the United States and Mexico is supposed to keep the river’s water flowing. But in the last three years, Mexico has fallen behind on its end of the deal. That has heightened tensions between the two countries and jeopardized the future of agriculture in the Rio Grande Valley."

"The Eagle Ford shale geological formation unfurls through the lower third of Texas, stretching 400 miles long and 50 miles wide from East Texas to Mexico, from Brazos County northeast of Houston to the Burgos Basin just over the border."

"DIRGIN, Texas -- Ida Finley smiles wistfully, recalling how she used to cook for an entire East Texas community -- nearly all descendants of slaves. The children would grab cornbread, greens and cookies from her kitchen while their parents grew vegetables in a tiny creekside village hidden among pine forests."

"In and around Texas’ vast oil and gas fields, the hydraulic fracturing boom is putting a strain on water supplies already reeling under one of the worst droughts in the state’s history."

"SILVER CITY, N.M. -- The U.S. Fish and Wildlife Service will propose increased recovery territory for Mexican gray wolves in Arizona and New Mexico and will drop plans to capture wolves entering these two states from Mexico, under two agreements reached [Monday] between the agency and the nonprofit Center for Biological Diversity."

"Ronald Gertson usually plants about 3,000 acres of rice each year on his family farm in Wharton County, Texas. But because of emergency water regulations set in 2012 due to central Texas' painfully persistent drought, Gertson could plant about 40 percent of that land."