References

"Arctic Biome." Blue Planet Biomes. Web. 28 Nov. 2011 <http://www.blueplanetbiomes.org/tundra.htm>.


"Arctic Tundra Holds Global Warming Time Bomb : Discovery News." Discovery Channel : Science, History, Space, Tech, Sharks, News! Web. 28 Nov. 2011 <http://dsc.discovery.com/news/2008/08/25/warming-arctic-tundra-02.html>.


"Frozen Tundra I Alaska Travel Photos." Alaska Stock Photography - Alaska Pictures and Photos from the Last Frontier I Alaska Travel Photos. Web. 29 Nov. 2011. <http://www.alaska-in-pictures.com/frozen-tundra-5591-pictures.htm>.


"IPCC Third Assessment Report - Climate Change 2001 - Complete Online Versions | UNEP/GRID-Arendal - Publications - Other." UNEP/GRID-Arendal - Home. Web. 29 Nov. 2011. <http://www.grida.no/publications/other/ipcc_tar/?src=/climate/ipcc_tar/vol4/english/082.htm>.


National Digital Library : Home. Web. 29 Nov. 2011. <http://digitalmedia.fws.gov/>.


Pearce, Fred. "Part Four: Climate Change Debate Overheated after Sceptics Grasped 'hockey Stick' | Environment | Guardian.co.uk." Latest News, Sport and Comment from the Guardian | The Guardian. Web. 28 Nov. 2011. <http://www.guardian.co.uk/environment/2010/feb/09/hockey-stick-michael-mann-steve-mcintyre>.


"Recent Change of Arctic Tundra Ecosystems from a Net Carbon Dioxide Sink to a Source." Nature Publishing Group : Science Journals, Jobs, and Information. Web. 28 Nov. 2011 <http://www.nature.com/nature/journal/v361/n6412/abs/361520a0.html>.


"The Tundra Biome." UCMP Berkeley. Web. 28 Nov. 2011 <http://www.ucmp.berkeley.edu/exhibits/biomes/tundra.php#arctic>.


"WWF - Tundra Ecoregions." WWF - WWF. Web. 28 Nov. 2011 <http://wwf.panda.org/about_our_earth/ecoregions/about/habitat_types/selecting_terrestrial_ecoregionsabitat11.cfm>.