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The Keeling Curve

February 10, 2020 / 416.08 ppm

• https://www.esrl.noaa.gov/gmd/ccgg/trends/monthly.html

• https://www.bloomberg.com/graphics/carbon-clock/

RISING EMISSIONS DRIVE GREENHOUSE GAS INDEX INCREASE

• https://research.noaa.gov/article/ArtMID/587/ArticleID/2455/RISING-EMISSIONS-DRIVE-GREENHOUSE-GAS-INDEX-INCREASE

May 11, 2019 / 415.26 ppm

According to data from the Mauna Loa Observatory in Hawaii, the concentration of CO2 in the atmosphere is over 415 parts per million (ppm)... far higher than at any point in the last 800,000 years, since before the evolution of homo sapiens.

The Carbon Clock is Ticking

April 19: 413.86 ppm

April 18: 413.43 ppm

April 17: 413.63 ppm

CO2 Levels Now in the Weather Reports

• https://www.esrl.noaa.gov/gmd/ccgg/trends/index.html

• https://www.esrl.noaa.gov/gmd/ccgg/trends/monthly.html

• https://www.esrl.noaa.gov/gmd/ccgg/trends/full.html

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Oh Mauna, what a Keeling Curve you have

Keeling's Curve has been called one of the most important scientific works of the 20th century

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