"FABENS, Tex. — On maps, the mighty Rio Grande meanders 1,900 miles, from southern Colorado’s San Juan Mountains to the Gulf of Mexico. But on the ground, farms and cities drink all but a trickle before it reaches the canal that irrigates Bobby Skov’s farm outside El Paso, hundreds of miles from the gulf."

"COLUMBIA, SC -- Evidence that a Duke Energy power plant site near Hartsville is more contaminated than previously suspected continues to grow as state regulators, environmentalists and company officials learn more about the property."

"Calling the deal too costly with too little benefit, the South Florida Water Management District board on Thursday effectively canned a 2010 deal to buy 46,800 acres of U.S. Sugar land that it once considered critical to restoring the Everglades and coastal estuaries."

In the first three months of this year, the number of active coal miners in West Virginia dropped from 18,200 to 15,604.

"Environmental groups are going to fight like hell against Republicans in the 2016 presidential election, but they have no intention of going easy on Hillary Clinton either."

"Ocean acidification triggered by massive volcanic eruptions helped cause the worst mass extinction in the history of life on Earth, according to a new study."

"Home improvement chain Lowe's Cos Inc will stop selling a type of pesticide suspected of causing a decline in honeybee populations needed to pollinate key American crops, following a few U.S. retailers who have taken similar steps last year."

"KINGSTON - President Barack Obama on Thursday unveiled a major clean energy partnership at a Caribbean summit where he sought to reassert U.S. leadership in the region at a time when the economic clout of oil-producing Venezuela appears to be receding."

"An iconic Alaska tree may warrant protection as a threatened or endangered species due to climate warming, the U.S. Fish and Wildlife Service announced Thursday."