Why is it so cold (in the US) if the Earth is warming? http://www.treehugger.com/climate-change/why-it-so-cold-if-earth-warming-video.html -32.551440 115.706529
A students guide to Global Climate Change. http://www.epa.gov/climatestudents/basics/past.html -32.551335 115.706435
With Arctic Freezer Door Open, Frigid Air Drains into the US. http://reneweconomy.com.au/2014/with-arctic-freezer-door-open-frigid-air-drains-into-us-15644 -32.551241 115.706423