Ravaged by the radioactive legacy of nuclear weapons testing, the Pacific Island of Enewetak is now threatened by sea level rise.

"The expected disappearance of the famed glaciers at Montana's Glacier National Park by 2030 could spell doom for a rare aquatic insect confined to high mountain streams that are warming due to climate change, U.S. scientists said on Thursday."

"China offered new details on its commitment to rein in greenhouse gases and called on rich nations to speed up delivery of the $100 billion in annual climate-related aid they’ve promised by 2020."

"Singer Barbra Streisand took to Twitter Tuesday night to attack the Senate’s best-known climate change skeptic."

"A third-straight day of rains awaited California on Thursday, and the thirsty state will take it."

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

"When Republicans take control of both houses of Congress next month, President Barack Obama will be hard-pressed to cut U.S. greenhouse gas emissions dramatically — a promise he made to Americans and the world and a key to his legacy."

"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."