Every observatory in the world now reports carbon dioxide is at highest level in 4 million years

SPONSORED BY: The Marketing Hacks Newsletter

One by one, the observatories sounded the alarm in the past few years-from the peak of Mauna Loa in Hawaii, and the top of the Greenland ice sheet-as the amount of carbon dioxide in the Earth's atmosphere crept above 400 parts per million (ppm). 

The last alarm bells went off this week, when scientists announced that the Halley Research Station in Antarctica, as well as a monitoring post at the geographic South Pole, both located amid the most pristine air on the planet, have now passed the 400 ppm mark. 

SEE ALSO: Scientists turn carbon dioxide gas into harmless stone

In other words, at every location on Earth where scientists routinely monitor carbon dioxide levels, we are now entering uncharted territory for humanity.  Read more...

More about Antarctica, Climate Change, Keeling Curve, 400 Ppm, and Carbon Dioxide

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