Polar Lands
http://wordpress.as.edu.au/aapps/files/2013/11/Booklet.pdf
http://www.antarctica.gov.au/about-antarctica/environment/weather
http://a-z-animals.com/reference/polar-regions/
http://wwf.panda.org/about_our_earth/ecoregions/about/habitat_types/habitats/polar_regions/
http://www.adventure-network.com/news/view-koreas-antarctic-program
http://www.coolantarctica.com/Antarctica%20fact%20file/antarctica_animal.php
https://en.wikipedia.org/wiki/Polar_climate
https://www.bas.ac.uk/about/antarctica/geography/weather/temperatures/
www.base-esperanza.climatemps.com
http://www.coolantarctica.com/Antarctica%20fact%20file/antarctica%20environment/climate_weather.php
www.nasa.gov/audience/forstudents/k-4/.../what-is-antarctica-k4.html
http://www.livescience.com/5500-antarctica-ice.html