December 5th, 2011
World wide carbon emissions reached their highest point in 800,000 years rising by nearly 6 percent in 2010 after falling back during the 2008-2009 economic recession, according to the annual Global Carbon Project.
The carbon in the atmosphere reached 389.6 parts per million at the end of 2010, the highest level recorded in known history. That compares with a carbon levels under 300 ppm in the mid-1800s, in the early years of the industrial revolution.
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