16-06-2016 16:31 via scientificamerican.com

Antarctic CO 2 Hit 400 PPM for First Time in 4 Million Years - Scientific American

Scientific American
Antarctic CO 2 Hit 400 PPM for First Time in 4 Million Years
Scientific American
Carbon dioxide has been steadily rising since the start of the Industrial Revolution, setting a new high year after year. There's a notable new entry to the record books. The last station on Earth without a 400 parts per million (ppm) reading has ...
The Last Spot on Earth Just Passed a Historic Climate MilestoneGizmodo
Carbon Dioxide Levels At South Pole Pass 400 PPM For First Time In 4 Million
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