http://www.eia.doe.gov/kids/energyfacts/sources/renewable/biomass.html
(April 27, 2007 – 6:37 pm) (April 29, 2007 – 4:23 pm)

http://www.yptenc.org.uk/docs/factsheets/env_facts/biomass_energy.html
(April 25, 2007 – 2:45 pm)

http://www.climate.org/topics/green/biomass.shtml
(April 25 2007 – 3:15 pm)

http://www.bchydro.com/education/8-12/8-12_2819.html
(April 25, 2007 - 3:30 pm)

http://library.thinkquest.org/20331/types/biomass/advant.html
(April 29, 2007 – 10:39 pm)

http://www.berkshirerenewables.org/resource_fact_sheets/biomass_disadvantage.html
(April 29, 2007 – 10:46 pm)

Sovio, Henry P. Geography 12 Student Workbook. Second Edition. Surrey: Green Heron Publishing, 2004.

Pictures for header image:

• CraigPJ @ http://www.sxc.hu/photo/768513
• tonyclough @ http://www.sxc.hu/photo/768016
• lusi @ http://www.sxc.hu/photo/750230
• sbrether @ http://www.sxc.hu/photo/708281