Antarctica Reaches Carbon Dioxide Record
Antarctica has made history by accumulating the highest carbon dioxide levels for the first time in four million years, breaking the barrier of 400 parts per million (ppm). Carbon dioxide levels has been steadily increasing since the Industrial Revolution began, setting new records annually. Now, Antarctica – the last place on Earth to have had no previous readings of 400 ppm – has finally crossed the threshold, the National Oceanic and Atmospheric Administration (NOAA) announced.
Carbon dioxide levels of 400 ppm has been designated as a critical level. The world as a whole passed the threshold for one month last year, according to Climate Central.
http://www.immortal.org/27310/carbon-dioxide-antarctica-reaches-highest-levels-4-million-years/
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