There was a palpable sense of history in the making across Europe as some 15,000 expected participants in the Copenhagen climate conference began to converge upon the Continent.

UCAR is concerned that emails and data, including personal information about individuals, have been hacked from the University of East Anglia. The selective publication of some stolen emails and other papers taken out of context is not a responsible way to engage on the issue of climate change.

Margaret "Peggy" LeMone takes another stab at the challenge of showing that snow depth decreases at least in part because the snow “settles” and increases in density.

Even though reports continue to pour in about melting glaciers, sea ice loss, and temperatures across much of the globe remaining unusually warm, fewer and fewer Americans seem to believe the climate is warming.

Few other parts of the world are showing climatic trends as distinct and ominous as Australia’s—and these changes are broadly consistent with what climate models tell us the 21st century has in store for the continent.