Daily Archives: May 12, 2013

Greenhouse Gases Hit Threshold Unseen in 3 Million Years of 400 PPM

Residents cross a flooded street on a row of tables in Wuhan, central China’s Hubei province, on May 29, 2012. Photograph: AFP via Getty Images The amount of carbon dioxide in the atmosphere surpassed a threshold not seen for 3 … Continue reading

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