"To Find Warming's Speed, Scientists Must See Through Clouds"
"JUNGFRAUJOCH, Switzerland -- On a clear day at the Sphinx, a legendary atmospheric observatory 11,000 feet up in the snowed-in peaks of the Bernese Alps, the blue sky runs down green hills and white glaciers toward seemingly all of Europe beyond. On a lucky day here, though, there's only gray. There are only clouds."











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