NOAA records the biggest annual increase in CO2 levels
 

The Mauna Loa Observatory, which has been monitoring carbon dioxide levels since the 1950s under NOAA, has recorded the steepest rise ever within a year-long period. Apparently, the average CO2 level for February 2016 is 404.02 parts per million, 3.7...

http://www.engadget.com/2016/03/09/m...ide-emissions/