April 05, 2014

April 03, 2014

March 30, 2014

February 22, 2014

January 10, 2014

January 09, 2014

December 16, 2013

December 14, 2013

December 02, 2013

November 29, 2013

November 28, 2013

November 20, 2013

November 16, 2013

November 13, 2013

November 12, 2013

November 10, 2013

November 09, 2013

November 07, 2013

November 05, 2013

Current CO2 level in the atmosphere

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