"AUSTIN — Susan Combs, the state comptroller, stirred controversy last month when she said Texas’ growing wind energy industry should 'stand on its own two feet.'"

"When the Tennessee Valley Authority first ordered Watts Bar 2, the nuclear reactor now approaching completion here, demand for electricity was growing at 7 percent a year and coal supplies were uncertain. The mercury, soot and acid rain that coal produced were simply accepted as the way things were, and many of the people who now worry about global warming had not yet been born."

"The prospects for building new nuclear reactors may be sharply limited, but the owners of seven old ones, in Pennsylvania, Virginia and South Carolina, are preparing to ask for permission to run them until they are 80 years old."

"Three widely cited state studies of air emissions at Marcellus Shale gas development sites in Pennsylvania omit measurements of key air toxics and calculate the health risks of just two of more than two dozen pollutants."

"Rick Piltz, a gutsy whistleblower who revealed a pattern of politically torqued rewriting of climate science reports during the first term of President George W. Bush, died early Saturday morning after a fight with cancer."

"In August, Tom Steyer and seven campaign advisers sat in a small conference room in Coral Gables, Fla., trying to figure out how to save the world. Steyer, who is 57, has a fortune of roughly $1.5 billion, and his advisers were among the most talented political operatives in the United States."

"While cyberattackers and defenders duel for advantage in ever-more-complex digital battlegrounds, a set of basic vulnerabilities affecting power grids, factories and pipelines has gone largely unaddressed."

"Texas environmentalists faced off in court this year against a coal-fired power plant with more than 6,500 alleged exceedances of the federal Clean Air Act limits on opacity, an indicator of fine airborne soot."

"A long-awaited report issued Thursday by the Nuclear Regulatory Commission found the Yucca Mountain site — once considered by the government but halted by the Obama administration — could be safe to store nuclear waste."

"SC Johnson will be the first large company to disclose all fragrance ingredients in products. Could this be the end of trade-secret protection for the fragrance industry? "