Milly, 2005
58%
87% 71%
+5%
62% 96%
97%
62%
58%
+2%
62% 75%
67%
100%
-2% 67% -5%
67%
-10%
Decrease
67%
+10%
Increase
+25%
-25% Figure 14: Projected median reductions in streamflow by 2050 across the U.S. as determined by multiple GCMs are shown in colors. Percents refer to the numbers of models that agree on the direction of the change. Source: CCSP SAP 4.3
References Web Sites Intergovernmental Panel on Climate Change: www.ipcc.ch Environmental Protection Agency: www.epa.gov/climatechange National Oceanic and Atmospheric Administration: www.noaa.gov/ climate.html U.S. Climate Change Science Program: www.climatescience.gov National Center for Atmospheric Research: www.ncar.ucar.edu/ research/climate Western Governors: www.westgov. org/wga/initiatives/climate/index. htm Western Climate Initiative: www. westernclimateinitiative.org/
U.S. Climate Action Partnership: www.us-cap.org Colorado Climate Center: ccc.atmos. colostate.edu/
Global Climate Models: http:// en.wikipedia.org/wiki/Global_ climate_model
Greenprint Denver: http://www. greenprintdenver.org/ Documents National Academy of Sciences Understanding and Responding to Climate Change: http://dels. nas.edu/dels/rpt_briefs/climatechange-final.pdf Statement from 11 National Academies on Climate Change: http://www.nationalacademies. org/onpi/06072005.pdf IPCC Synthesis Report : www.ipcc. ch/pdf/assessment-report/ar4/syr/ ar4_syr.pdf IPCC Summary for Policy Makers— Science: www.ipcc.ch/pdf/ assessment-report/ar4/wg1/ar4wg1-spm.pdf
Pew Center on Climate Change: www.pewclimate.org
National Integrated Drought Information System: www. drought.gov
Rocky Mountain Climate Organization: www. rockymountainclimate.org
IPCC Summary for Policy Makers Adaptation: www.ipcc.ch/pdf/ assessment-report/ar4/wg2/ar4wg2-spm.pdf IPCC Summary for Policy Makers— Mitigation: www.ipcc.ch/pdf/ assessment-report/ar4/wg3/ar4wg3-spm.pdf
American Association for the Advancement of Science Climate Change Policy Statement: www. aaas.org/news/press_room/ climate_change/mtg_200702/aaas_ climate_statement.pdf American Geophysical Union Climate Change Policy Statement: www.agu.org/sci_soc/policy/positions/ climate_change2008.shtml American Meteorological Society Climate Change Policy Statement: www.ametsoc.org/ policy/2007climatechange.pdf Colorado Climate Action Plan: www.cdphe.state.co.us/ic/ ColoradoClimateActionPlan.pdf U.S. Climate Change Science Program: www.climatescience.gov (See especially the ‘Synthesis and Assessment,’ or SAP, products. 3.3 deals with climate extremes and 4.3 deals with water and natural systems.) Books Spencer Weart—“Discovery of Global Warming” http://www.aip.org/history/climate/ index.html Richard Alley—“Two Mile Time Machine”
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