File:C02 in atmosphere chart-3.png

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The Keeling Curve


The Keeling Curve: Watch It!

Keeling's Curve has been called one of the most important scientific works of the 20th century
On Mauna Loa in Hawaii, decades of mountaintop CO2 measurements chart an ominous climate record


Scripps Institute CO2 measurements at Mauna Loa have been supported for many years by the U.S. Department of Energy (DOE), and have more recently been supplemented by Earth Networks, a technology company collaborating with Scripps to expand the global GHG monitoring network. Support for website development was provided in part by the National Science Foundation (NSF).

NOAA additionally has been taking measurements of greenhouse gas emissions from the site since May 1974 in parallel with Scripps scientists.


Oh NOAA, Oh Mauna Loa

https://gml.noaa.gov/webdata/ccgg/trends/co2_data_mlo.png


2023


Hawaiian Volcanic Eruption Temporarily Disrupts the CO2 Measurements

From the Mauna Loa site to a Mauna Kea site, the essential science data collection continues


2022


Year by Year, Measure and Monitor CO2 in the Atmosphere


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2020 CO2: Metric Checking

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 INCREASES


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.


Mauna Loa-NOAA-Observatory.jpg


About the Mauna Loa Observatory


The Carbon Clock is Ticking
April 19: 413.86 ppm
April 18: 413.43 ppm
April 17: 413.63 ppm


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CO2 Levels Now in the Weather Reports


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Mauna Loa - CO2 - Apr2019.jpg


Mauna loa CO2 record scripps.png


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current16:15, 15 April 2017Thumbnail for version as of 16:15, 15 April 2017570 × 800 (133 KB)Siterunner (talk | contribs)