"President Barack Obama’s nominee to head a little-known energy commission has become the latest appointee drawn into the contentious debate over climate change."

"Despite the fact that more people now acknowledge that climate change represents a significant threat to human well-being, this has yet to translate into any meaningful action. Psychologists may have an answer as to why this is."

"In less than 40 years from now the cost to the world's biggest coastal cities from flooding is expected to have risen to $1tn – 0.7% of the value of the entire world economy in 2012."

"ANCHORAGE, Alaska -- Alaska residents have been enjoying an unusually warm, sunny summer, but the pleasant weather has come at a cost: choking smoke from an extended wildfire season, flooding rivers due to fast-melting snow and glacial ice, and fish covered in algae."

"TRENTON, N.J. -- Recent warmer-than-usual winters that may be attributable to climate change have brought a troublesome and potentially dangerous new effect, according to a Mercer County scientist: expanding swarms of Asian tiger mosquitoes."

"OSLO -- Climate scientists are surer than ever that human activity is causing global warming, according to leaked drafts of a major UN report, but they are finding it harder than expected to predict the impact in specific regions in coming decades."
 

"NASA is getting ready to turn its scientific instruments toward our home planet with a trio of Earth-observing missions set to launch in 2014."

"Environmental Protection Agency chief Gina McCarthy said natural-gas production — with the right safeguards -- is a major piece of Obama administration efforts to combat global warming."

"Finally, some good news about the effects of climate change. It may have triggered a growth spurt in two of California's iconic tree species: coast redwoods and giant sequoias."