"One of the Pentagon’s top strategists said climate change is fundamentally altering how the Defense Department (DOD) evaluates future conflict areas."

"RANCHO MIRAGE, California -- U.S. President Barack Obama and his Chinese counterpart, Xi Jinping, agreed on Saturday to cooperate in fighting climate change by cutting the use of hydrofluorocarbons, or HFCs, the White House said a statement."

"President Obama should press Chinese President Xi Jinping to curb emissions of a short-lived, but highly potent heat-trapping pollutant when the leaders meet this week in California, a group of House and Senate Democrats wrote Wednesday to Obama."

"Migration used to be a good strategy for animals to find the best food, but a recent study appears to show that climate change and human interference favor animals that stay put."

"As Secretary of State John Kerry lauded Polish Foreign Minister Radoslaw Sikorski in Washington, D.C., yesterday for his country's hosting of this year's U.N. climate change summit, activists lambasted the Eastern European nation as a climate scoundrel."

"Climate change threatens most of California's native freshwater fish -- many of which don't exist anywhere else in the world -- with extinction, a new study says."

"MELROSE PARK, Ill. — From the roof of the Gottlieb Memorial Hospital in the Chicago suburbs, an 83-year-old retired doctor finds troubling evidence of why so many people are sneezing and itching their eyes."

"Shipping along the Arctic northern sea route is set to grow more than 30-fold over the next eight years and could account for a quarter of the cargo traffic between Europe and Asia by 2030, experts said on Wednesday."

"In the news business, an evergreen is a story that doesn't have to run on a particular day, but can stay fresh for a long time."