"Two conservation groups from Montana and Idaho sued the U.S. Fish and Wildlife Service this week over commercial grazing agreements in Red Rock Lakes National Wildlife Refuge that were renewed last year but which the groups say rely on an environmental analysis from 1994 in violation of federal law."

"Federal wildlife officials declared a rare lizard in southeastern New Mexico and West Texas an endangered species Friday, citing future energy development, sand mining and climate change as the biggest threats to its survival in one of the world’s most lucrative oil and natural gas basins."

"Oil major BP considers deals to place paid-for content in trusted media brands as key to influencing the Washington power players who set U.S. energy policy, according to internal company documents."

"Several meteorological ingredients, including record-warm land and ocean temperatures from the Florida Keys to Mexico, helped fuel the destructive storms."