United States Environmental Protection Agency. “Climate Impacts on Ecosystems.” (2013) US EPA. Web. 17 February 2014. United States Environmental Protection Agency.
Sharpe, 2013. Special Report on Renewable Energy Sources and Climate Change Mitigation — SRREN. "IPCC SRREN: Full Report — SRREN." Accessed April 10, 2014. http://srren.ipcc-wg3.de/report/. Union of Concerned Scientists.
Car pollution is one of the major causes of global warming. Cars and trucks emit carbon dioxide and other greenhouse gases, which contribute one-fifth of the United States' total global warming pollution. Greenhouse gases trap heat in the atmosphere, which causes worldwide temperatures to rise.
Available from URL: http://report.mitigation2014.org/drafts/final-draft-fgd/ipcc_wg3_ar5_final-draft_fgd_chapter1.pdf . [Accessed 7th may 2014]. 27. IPCC. Climate Change 2014: Impacts, Adaptation, and Vulnerability, Chapter 27.
The authorities of EPA further state that, “substances that contribute to ozone depletion usually have high concentrations of chlorine or bromine atoms and include chlorofluorocarbons, or CFCs, halons, methyl bromide, carbon tetrachloride and methyl chloroform.” Previously unaware of chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and ot... ... middle of paper ... ... the ozone layer. Works Cited “Cars, Trucks, and Air Pollution.” Union of Concerned Scientists. Convio, 03 Sept. 2013. Web. 24 Feb 2014.
Retrieved from http://www.epa.gov/otaq/technology/research/research-altfuels.htm United States Environmental Protection Agency. (2015 March, 18). Clean automotive technology: Hydraulic hybrid research. Retrieved from http://www.epa.gov/otaq/technology/research/research-hhvs.htm Hirsch, J. (2014 June, 9).