• What is the present level of atmospheric carbon dioxide
    Climate Change

    What is the present level of atmospheric carbon dioxide ?

    What is the present level of atmospheric carbon dioxide? On May 9th, 2013, the global atmospheric daily concentration of CO2 crossed 400 ppm level mark.  On that day the recorded CO2 Concentration was 400.03 ppm as per the NASA’s Mauna Loa observatory in Hawaii. The observatory has been monitoring the atmospheric concentration since last 57 years. The crossing of 400 ppm mark made news. The scientists from National Oceanic and Atmospheric Administration (NOAA) and Scripps Institute of Oceanography both in USA confirmed these observations. The CO2 concentration in the atmosphere does not remain same throughout the year. In fact, it varies with the changing season. From springs till later part of…