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Humans implicated in rising water vapor.
- Article from:
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Contra Costa Times (Walnut Creek, CA)
- Article date:
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September 17, 2007
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Copyright informationCOPYRIGHT 2007 Contra Costa Times. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Byline: Betsy Mason
Sep. 17--The case implicating humans' role in climate change was bolstered this week by another fingerprint, this one on water vapor in the atmosphere.
Scientists used computer models that simulate the climate to show that the rise in water vapor could not have been caused by natural climate fluctuations alone.
But when man-made greenhouse-gas emissions are included in the models, the resulting atmospheric water vapor increases are very close to those actually observed over the past two decades.
"It's disquieting that the evidence is mounting that we're influencing the climate now," said Lawrence Livermore Lab atmospheric scientist Ben ...
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