Corcoran, Tenrence.  “Global Cooling Effect”
National Post.   September 16, 2006.

21stcenturysciencetech.com.  “Is a New Ice Age Under Way?”
2005.  Hecht, Laurence.
<http://www.21stcenturysciencetech.com/articles/ice_age.html>

Eia.doe. “Official Energy Statistics from the U.S. Government”
April 2, 2004.  Government.
<http://www.eia.doe.gov/oiaf/1605/ggccebro/chapter1.html>

Eia.doe. “Official Energy Statistics from the U.S. Government”
April 2, 2004.  Government.
<http://www.eia.doe.gov/environment.html>

Whrc.org.  “Protecting the Integrity of the Global Environment”
Spring, 07.  Holdren, John P.
<http://www.whrc.org/resources/online_publications/warming_earth/the_greenhouse_effect.htm>

Whrc.org.  “Protecting the Integrity of the Global Environment”
Spring, 07.  Holdren, John P.
<http://www.whrc.org/resources/online_publications/warming_earth/scientific_evidence.html>

Enviromentaldefense.org.  “Finding Ways That Work”
April, 2007.  Krupp, Fred.
<http://www.environmentaldefense.org/documents/5279_GlobalwarmingAttributuion.pdf>

Dinosaurian.com.  “Global Warming Can Cause Global Cooling”
1999.  Poling, Jeff.
<http://www.dinosaurian.com/jdp/news/freeze.html>

Grisda.com.  “The Little Ice Age”
1983.  Tkachuck, Richard, D.
<http://www.grida.org/orgins/10051.htm>

Jaworowski, Zbigniew.  “The Ice Age Is Coming”
21st Century Science &Technology Winter, 2003-04