Hass, L., Hamel, M., Sabo, A., & Tall, C. (2008). Wisconsin climate change activity guide. Retrieved January 17, 2013 from http://dnr.wi.gov/org/caer/ce/eek/teacher/climatechangeguide.htm

IPCC, 2007: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (Solomon, S., D. Qin, M. Manning (eds.)).

Michigan High School Science Content Expectations Companion Document.

U.S. Environmental Protection Agency. (2011). Climate Change Indicators in the United States. Retrieved June 28, 2018 from https://www.epa.gov/climate-indicators

U.S. Environmental Protection Agency. 2010. Methane and Nitrous Oxide Emissions from Natural Sources. Washington, DC. Retrieved June 28, 2018, from https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=P100717T.TXT

Greenhouse Effect simulation. https://phet.colorado.edu/en/simulation/greenhouse

Final Michigan Greenhouse Gas Inventory and Reference Case Projections - 1990-2025 (www.climatestrategies.us/library/library/download/322 and Michigan Greenhouse Gas Inventory 1990 and 2002).

Composition of Earth’s Atmosphere Diagram: https://scied.ucar.edu/chemical-composition-atmospherediagram