CO2 at Record High concentration
Concentrations of the greenhouse gas carbon dioxide (CO2) in the global atmosphere has surpassed 400 ppm for the first time in human history in April. As on May 03, 2014 the value is still higher 401.80 ppm. Read more from official website http://keelingcurve.ucsd.edu/ Here is the screen shot. Courtesy: Scripps Institute of Oceanography http://keelingcurve.ucsd.edu/