Daily Archives: February 20, 2011

1961 : “Crushing Drought” Hits Australia – CO2 At Safe Level Of 318 ppm

More than 45% of the continent was affected by severe drought. http://news.google.com/

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October 1871 : Fires Destroy Chicago and Dozens Of Other Cities On Lake Michigan And Lake Huron

CO2 levels were 288 ppm.

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