Does "Global Warming Pause" Debate Miss Big Picture?
Scientists explain recent trends on eve of UN climate change report.
Prominent climate scientists say that discussion misses the bigger picture. The suggestion that global warming has stopped, says Richard Alley of Penn State, is "nonsense."
A recent paper by climate modelers at the Scripps Institution of Oceanography argues that the supposed pause in global warming can be explained entirely by recent variations in the El Nino-La Nina cycle in the tropical Pacific.
On Friday the IPCC, which is made up of several hundred climate scientists from around the world, will release a roughly 30-page summary of its new report tailored to the world's policy makers. Some time in the near future, the panel will release the 1,000-page report itself. (See "Leaked Report Spotlights Big Climate Change Assessment.")
It will be