"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."

"KAKTOVIK, Alaska — In Betty Brower’s memories, there is always ice. Even in the summer, when the sea around Barter Island was open, she could look out and see the jagged shapes of icebergs on the horizon."

"Fewer than half of American states are working to protect themselves from climate change, despite more detailed warnings from scientists that communities are already being damaged, according to a new online clearinghouse of states’ efforts compiled by the Georgetown Climate Center."

"The White House launched a set of initiatives aimed at protecting natural resources like landscapes and water from the effects of climate change."

"A majority of voters in states home to some of the biggest oil and gas drilling fields want the government to regulate the burning or releasing of natural gas from wells, according to a new poll."

"California has completed the highest number of goals to prepare for climate change, followed by Massachusetts and New York, according to a first-of-its-kind 50-state tracking tool unveiled Thursday."