"After Oil- msnbc.com." Business/Oil&Energy/After Oil. 27 Sept. 2008 < http://www.msnbc.msn.com/id/8740867/ >. "After Oil" section of MSNBC news website is dedicated to the news related to alternative energy sources and research from economic and scientific views. It has a wide range of articles collected globally and updated constantly.
"Alternative Energy News." Alternative Energy. 26 Sept. 2008 < http://www.alternative-energy-news.info/ >. This site provides latest news and links about alternative energy sources, technologies and research. It has a wide range of information for the uses of these sources.
McDonough, William, and Michael Braungart. Cradle to Cradle : Remaking the Way We Make Things. 1st ed. New York: North Point P, 2002. This book takes the environmental approach to all the levels of a community and provide valid solutions and examples that are well-supported with research and proof. It is a reliable source to take as an example when looking for a solution for an environmental solution such as alternative energy sources.