CLIMATE UPDATE: Global average atmospheric carbon dioxide - TopicsExpress



          

CLIMATE UPDATE: Global average atmospheric carbon dioxide concentration reached about 400 parts per million (ppm) in December: bit.ly/CO2-concentration. Carbon dioxide (CO2) is an important heat-trapping (greenhouse) gas, which is released through human activities such as deforestation and burning fossil fuels, as well as natural processes such as respiration and volcanic eruptions. This chart shows atmospheric CO2 levels in recent years, corrected for average seasonal cycles. Learn more: bit.ly/CO2-concentration
Posted on: Sun, 18 Jan 2015 21:05:51 +0000

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