# Climate Change Lesson 5: Climate Forcing and Uncertainty

The Intergovernmental Panel on Climate Change. Retrieved January 17, 2013: frequently asked questions http://www.ipcc.ch/pdf/assessment-report/ar4/wg1/ar4-wg1-faqs.pdf

The National Academy of Sciences. Retrieved January 17, 2013, from http://dels.nas.edu/resources/staticassets/ materials-based-on-reports/booklets/climate_change_2008_final.pdf

U.S. Global Climate Change Research Program. (2009). Global Climate Change Impacts in the United States from IPCC. Retrieved January 17, 2013, from http://www.iooc.us/wp-content/uploads/2010/09/Global-Climate-Change-Impacts-in-the-United-States.pdf

Feedback Cycles. Retrieved January 17, 2013, from http://dels.nas.edu/resources/static-assets/materialsbased-on-reports/booklets/climate_change_2008_final.pdf