Parts of the Antarctic ice sheet are melting faster than anyone expected.

"The U.S. has no plans to strengthen its 'highly aggressive but achievable' pledge to cut greenhouse gas emissions up to 28 percent over the next decade as it resumes negotiations that are to conclude with an international climate accord in 2015, the top U.S. climate negotiator said Dec. 1."

"Rejecting claims global warming has paused, The World Meteorological Organization said the global average temperature for much of 2014 was above average, and is on track to tie the record hot year of 2010."

"In the more than two decades since world leaders first got together to try to solve global warming, life on Earth has changed, not just the climate. It's gotten hotter, more polluted with heat-trapping gases, more crowded and just downright wilder."

"Falling oil prices show the 'high risk' of fossil fuel investments compared with renewable energies, the U.N.'s climate chief said on Monday at the start of 190-nation talks on a deal to slow global warming."

"30 Years Later, Survivors of Lethal Gas Leak Still Fight for Justice."

"A Spanish pledge of 120 million euros ($150 million) to a fund to help poor nations cope with global warming has raised the total close to the $10 billion U.N. target before a U.N. meeting in Peru next week to work on a climate deal."

"Russia's ruble hit a new all-time low on Monday, dropping about 5 percent as declining oil prices and the conflict in eastern Ukraine weigh on the country's economic prospects."

"UN climate negotiations opening in Lima on Monday have the best chance in a generation of striking a deal on global warming, diplomats say."
 

"This year may eclipse 2010 as the hottest since records began in the 19th century, a sign long-term global warming is being stoked by rising greenhouse gas emissions, scientists said."