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The Effect Of CO2 Measure On Mauna Loa

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So not only were the levels of CO2 in our atmosphere the highest recorded in more than 800,000 years, they were also in excess of the 350 parts per million (ppm) “cautionary threshold” put forth by Dr. James Hansen and other climate scientists in 2008. In fact, CO2 measurements on Mauna Loa in the spring of 2014 exceeded the “extreme danger” Cclimate Cchange threshold of 400 ppm from which some scientists have said that recovery is not possible.

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