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Trend Balloon = +0.17, Satellite +0.20 C/decade r mon = 0.94, r ann = 0.98

-Satellite

-Balloon

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1860 1880 1900 1920 1940 1960 1980 2000 2020 2040 2060 2080

2100

HadCMB2: Peter Stott, Hadley Centre for Climate Prediction and Analysis Actual: National Climatic Data Center/NOAA

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Fig. 6

Tree-Ring Reconstruction of Rainfall, Western New Mexico

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STATEMENT OF JAE EDMONDS, PACIFIC NORTHWEST NATIONAL LABORATORY, BATTELLE MEMORIAL INSTITUTE

Thank you Mr. Chairman and members of the Committee for the opportunity to testify here this morning on energy and climate change. My presence here today is possible because the U.S. Department of Energy has provided me and my team at PNNL long-term research support. Without that support much of the knowledge base upon which I draw today would not exist. That having been said, I come here today to speak as a researcher and the views I express are mine alone. They do not necessarily reflect those of any organization. I will focus my remarks on two matters: 1. The timing of the global response to climate change needed to stabilize the

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