Washington: A new data by the National Oceanic and Atmospheric Administration (NOAA) has revealed that our planet Earth has exceeded the highest ever recorded level of carbon dioxide (CO2) in the atmosphere surpassing 400 parts per million (ppm) in March, 2015.
The data showed that the CO2 concentrations hit 400.83 ppm in March 2015, an increase from the 398.10 ppm recorded in March 2014.
“We first reported 400 ppm when all of our Arctic sites reached that value in the spring of 2012. In 2013 the record at NOAA’s Mauna Loa Observatory first crossed the 400 ppm threshold,” Pieter Tans, lead scientist of NOAA’s Global Greenhouse Gas Reference Network, said in a statement. Carbon dioxide levels set new record in March: NOAA | Zee News
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