Visit the NAU Online Library and perform a ProQuest search for the article "Ethanol as a Fuel: Energy, Carbon Dioxide Balances and Ecological Footprint." This citation will help you in your search: Dias de Oliveira, M.E., Vaughan, B.E., Rykiel, E.J., Jr. (2005) Ethanol as fuel: energy, carbon dioxide balances, and ecological footprint. Bioscience, 55.7, 593-602.
Based on what you have learned in this learning plan and what you have read in this article, explain the greenhouse effect and global warming. Discuss why and how the use of ethanol could impact global warming.