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Published: Monday 22 July, 2013

cheap longchamp handbags cheap longchamp handbags Global carbon dioxide in atmosphere touches milestone level



London: For the first time in human history, the carbon dioxide CO2 concentration in the atmosphere has passed the milestone level of 400 parts per million ppm.



Two CO2 monitoring stations high on the Hawaiian volcano of Mauna Loa run by the US National Oceanic and Atmospheric Administration and the Scripps Institution of Oceanography, provide the global b cheap longchamp handbags enchmark measurement., the data released on Friday shows that the daily average has passed 400ppm for the first time in its 50 years of recording, the Guardian reported.



Analysis of fossil air trapped in ancient ice and other data indicated that the level has not been seen on Earth for 35 million years, Pliocene period.



Professor Ralph Keeling, who oversees the measurements on Mauna Loa, which were begun by his father in 1958, said that the landmark level is s cheap longchamp handbags ymbolic, its like turning 50: its a wake up call to what has been building up in front of people all along.



Prof Rajendra Pachauri, chair of the Intergovernmental Panel on Climate Change, which serves as science adviser to the worlds governments, said that the passing of this milestone is a significant reminder of the rapid rate and the extent to which people have increased the concentration of greenhouse gases in cheap longchamp handbags the atmosphere. cheap longchamp handbags

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