Climate Change Impacts to the United States: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Sixth Congress, Second Session, July 18, 2000, Volume 4

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Page 55 - main conclusion, featured in its Summary for Policymakers (SPM), states that "the balance of evidence suggests a discernible human influence on global climate.
Page 9 - cause long-term shifts in forest species, such as sugar maples moving north out of the US 7. Increased damage in coastal and permafrost areas. Climate change and the resulting rise in sea level are likely to exacerbate threats to buildings, roads, power lines, and other infrastructure in climatically sensitive places,
Page 9 - 6. Near-term increase in forest growth. Forest productivity is likely to increase over the next several decades in some areas as trees respond to higher carbon dioxide levels. Over the longer term, changes in larger-scale processes such as fire, insects, droughts, and disease will possibly decrease forest productivity. In addition, climate change
Page 10 - Melissa Taylor (National Assessment Coordination Office) Attachment 2 Independent Review Board of the President's Committee of Advisers on Science and Technology (PCAST) Peter Raven, Co-chair Missouri Botanical Garden and PCAST Mario Molina, Co-chair MIT and PCAST Burton Richter Stanford University Linda Fisher Monsanto Kathryn Fuller World Wildlife Fund John Gibbons National Academy of Engineering Marcia McNutt
Page 8 - on average in the next 100 years. 2. Differing regional impacts. Climate change will vary widely across the US Temperature increases will vary somewhat from one region to the next. Heavy and extreme precipitation events are likely to become more frequent, yet some regions will get drier. The potential impacts of climate change will also vary widely across the nation.
Page 9 - Other stresses magnified by climate change. Climate change will very likely magnify the cumulative impacts of other stresses, such as air and water pollution and habitat destruction due to human development patterns. For some systems, such as coral reefs, the combined effects of climate change and other stresses are very likely to exceed a critical threshold, bringing large, possibly irreversible impacts.
Page 31 - this hearing is adjourned. [Whereupon, at 10:10 am, the Committee adjourned.] APPENDIX RESPONSE TO WRITTEN QUESTIONS SUBMITTED BY HON. JOHN MCCAIN TO THOMAS
Page 11 - Sally Ride University of California San Diego and PCAST William Schlesinger Duke University James Gustave Speth Yale University Robert White University Corporation for Atmospheric Research, and Washington, Advisory Group
Page 9 - likely that some aspects and impacts of climate change will be totally unanticipated as complex systems respond to ongoing climate change in unforeseeable ways.
Page 28 - Contrary to the conventional wisdom and the predictions of computer models, the Earth's climate has not warmed appreciably in the past two decades, and probably not since about 1940. The evidence

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