"Climate change activists have opened a new front in their fight against fossil fuels at the Federal Energy Regulatory Commission."

"The signs appear about 200 miles north of Los Angeles, tacked onto old farm wagons parked along quiet two-lane roads and bustling Interstate 5."

"The Sahel region's ability to produce food is not keeping pace with its growing population, and global warming will only exacerbate the imbalance, according to a new study."

"Earth is on pace to tie or even break the mark for the hottest year on record, federal meteorologists say."

"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."

"Climate change has shrunk Peruvian glaciers by 40 percent in the past four decades and the melt-off has spawned nearly 1,000 new high-altitude lakes since 1980, Peru's government said on Wednesday."

"The United States is considering a proposal to combat climate change that would require countries to offer plans for curtailing greenhouse gas emissions on a certain schedule but would leave it to individual nations to determine how deep their cuts would be, said Todd Stern, the nation’s chief climate negotiator."

"Natural gas has been touted as a vital stepping stone in the transition away from petroleum, but a new study suggests that without clear policy gas could divert investment in renewables."

"Like August before it, September 2014 was the warmest September on record, according to newly updated NASA data. The warm month makes it even more likely that 2014 will become the warmest year on record."

"The Pentagon on Monday released a report asserting decisively that climate change poses an immediate threat to national security, with increased risks from terrorism, infectious disease, global poverty and food shortages. It also predicted rising demand for military disaster responses as extreme weather creates more global humanitarian crises."