Keeling_Curve @Keeling_curve Twitter profile

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Keeling_Curve

@Keeling_curve

5 years

415.26 parts per million (ppm) CO2 in air 11-May-2019 First daily baseline over 415ppm

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Keeling_Curve

@Keeling_curve

5 years

We've updated our animation of the Keeling Curve to reflect 2019 readings.

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Keeling_Curve

@Keeling_curve

2 years

Lava from the ongoing eruption at Mauna Loa is flowing close to the observatory. It's likely that the road or power lines to the site will be impacted soon shutting down the instrument.

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Keeling_Curve

@Keeling_curve

8 years

406.58 parts per million (ppm) CO2 in air 22-Jan-2017

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Keeling_Curve

@Keeling_curve

5 years

414.79 parts per million (ppm) CO2 in air 18-Mar-2019

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Keeling_Curve

@Keeling_curve

5 years

415.70 parts per million (ppm) CO2 in air 15-May-2019

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Keeling_Curve

@Keeling_curve

5 years

413.47 parts per million (ppm) CO2 in air 04-Mar-2019

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Keeling_Curve

@Keeling_curve

5 years

Comment from Ralph Keeling, director of Scripps CO2 Program: “Every year it goes up like this we should be saying 'No, this shouldn’t be happening. It’s not normal." This increase is just not sustainable in terms of energy use and in terms of what we are doing to the planet.”

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Keeling_Curve

@Keeling_curve

5 months

427.80 parts per million (ppm) CO2 in air 14-Mar-2024. New record reading.

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

1 year

We are pleased to announce that CO2 measurements have been restored at Mauna Loa

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Keeling_Curve

@Keeling_curve

1 year

424.03 parts per million (ppm) CO2 in air 16-Apr-2023. First >424 reading in Keeling Curve record. Highest recorded reading at Mauna Loa Observatory.

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

6 years

Today marks the 60th anniversary of the #KeelingCurve , a daily record of carbon dioxide levels in the atmosphere. This record is considered the foundation of modern climate change research. Check out @Scripps_Ocean today for more on what's happening.

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Keeling_Curve

@Keeling_curve

5 years

411.66 February average CO2 concentration at Mauna Loa sets a new record for monthly average. It is rare, but not unprecedented, in Keeling Curve history that it is set in a February, well before the peak month of May.

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Keeling_Curve

@Keeling_curve

2 years

Update on Keeling Curve status as #MaunaLoaVolcano has cut off power to @NOAA 's Mauna Loa Observatory:

Historic Keeling Curve Observation Interrupted by Volcanic Eruption

Photo: NOAA The carbon dioxide measurement equipment that maintains the famed Keeling Curve record lost power at 6:30 p.m. Nov. 28 and is not currently recording data. Mauna Loa, the world’s largest...

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 years

417.91 parts per million (ppm) CO2 in air 08-Apr-2020

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Keeling_Curve

@Keeling_curve

5 months

427.03 parts per million (ppm) CO2 in air 09-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

3 months

. #NOAA celebrates 50th anniversary of CO2 measurements at Mauna Loa Observatory. Congratulations, partner!

The world’s benchmark climate monitoring station passes a major milestone - NOAA Research

May 17 2024 marks 50 years of NOAA’s continuous measurements of atmospheric carbon dioxide concentrations at the Global Monitoring Laboratory’s Mauna Loa Observatory.

research.noaa.gov

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Keeling_Curve

@Keeling_curve

3 years

A joint statement from @metoffice and @scripps_ocean 's Keeling Lab on new record high #CO2 concentrations in the atmosphere as milestone of #420ppm is breached.

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Keeling_Curve

@Keeling_curve

5 years

At least an Arctic methane burp is unlikely. “It is a rare piece of good news about climate change,” says Scripps geoscientist Jeff Severinghaus, “so I’m happy to come to the public and say this burp is something we don’t have to worry about.”

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Keeling_Curve

@Keeling_curve

1 year

421.80 parts per million (ppm) CO2 in air 08-Apr-2023

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

6 months

425.96 parts per million (ppm) CO2 in air 08-Mar-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 months

427.09 parts per million (ppm) CO2 in air 15-Mar-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 years

The 415.09 ppm value that appeared as the daily baseline for 3-May-2019 on certain graphics over the weekend was based upon a partial days data and incorrectly released on the website. The correct value for that date based upon the full 24 hour period is 414.15 ppm

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Keeling_Curve

@Keeling_curve

4 years

Congratulations @NOAA on your 50th anniversary! NOAA provides a home for the Keeling Curve, working side by side w/Scripps' CO2 program at Hawaii’s Mauna Loa Observatory in making complementary measurements of atmospheric #CarbonDioxide concentrations. #ClimateChange #NOAAat50

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Keeling_Curve

@Keeling_curve

3 months

426.64 parts per million (ppm) CO2 in air 25-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 months

428.09 parts per million (ppm) CO2 in air 24-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 years

What does it take for the coronavirus pandemic or other major events with economic impacts to affect global carbon dioxide readings? A thread....

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Keeling_Curve

@Keeling_curve

5 years

Comment from Ralph Keeling, director of Scripps CO2 Program: “The average growth rate is remaining on the high end. The increase from last year will probably be around three parts per million whereas the recent average has been 2.5 ppm....” 1/2

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Keeling_Curve

@Keeling_curve

4 years

Ralph Keeling: "The recent all-time daily record at Mauna Loa is in line with jumps we've seen around this time in previous years. CO2 levels rise every year from March through April as part of the normal seasonal trend which usually achieves a seasonal peak in May...." 1/2

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Keeling_Curve

@Keeling_curve

1 year

423.84 parts per million (ppm) CO2 in air 15-Apr-2023

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 years

Lisa Levin, #SROCC author and Scripps biological oceanographer: "By acting now, to reduce carbon emissions and limit global warming to near 1.5oC we can retain the major life support functions of the ocean. If we do not, the next generation will face catastrophic losses." #IPCC

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Keeling_Curve

@Keeling_curve

5 years

Here's Dave Keeling in a 2002 interview recounting how his high-precision measurements of #carbondioxide started to change the way we perceive the world and our effect on it. For more history, see @UCSanDiego @ClimateUC

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Keeling_Curve

@Keeling_curve

3 months

427.63 parts per million (ppm) CO2 in air 31-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 years

414.96 parts per million (ppm) CO2 in air 25-May-2019

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Keeling_Curve

@Keeling_curve

1 year

Good news. Mauna Loa Observatory is up and running again:

Scripps CO2 Instrument at Mauna Loa Observatory Back in Action

Helicopter delivers photovoltaic rails, electrical conduit, and solar panels to Mauna Loa Observatory. Photo: Scott Prestien/EPC We are happy to report that measurements by the Scripps CO2 program...

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 months

428.63 parts per million (ppm) CO2 in air 26-Apr-2024.

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 years

417.10 parts per million (ppm) CO2 in air 10-May-2020

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Keeling_Curve

@Keeling_curve

4 months

427.53 parts per million (ppm) CO2 in air 10-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

3 months

427.21 parts per million (ppm) CO2 in air 15-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

7 months

426.50 parts per million (ppm) CO2 in air 03-Feb-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

6 months

424.47 parts per million (ppm) CO2 in air 01-Mar-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

3 months

427.26 parts per million (ppm) CO2 in air 04-Jun-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

9 months

423.11 parts per million (ppm) CO2 in air 14-Dec-2023

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 months

426.47 parts per million (ppm) CO2 in air 23-Mar-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

3 years

420.29 parts per million (ppm) CO2 in air 30-Apr-2021

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Keeling_Curve

@Keeling_curve

6 years

ICYMI: April posts first-ever monthly average carbon dioxide level over 410. #climatechange #globalwarming #noaa

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Keeling_Curve

@Keeling_curve

5 years

Projections have #CO2 shooting past 440 ppm in 2030. But...“It’s still under our control to a large degree. Future damage is still going to be controlled by future emissions so we still have an important control knob,” says Ralph Keeling. 1/2

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Keeling_Curve

@Keeling_curve

5 months

427.20 parts per million (ppm) CO2 in air 10-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 months

427.07 parts per million (ppm) CO2 in air 21-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

6 years

413.69 parts per million (ppm) CO2 in air 09-Feb-2019

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Keeling_Curve

@Keeling_curve

1 year

424.56 parts per million (ppm) CO2 in air 27-May-2023.

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 years

The rise of CO2 levels was probably slowed by the #COVID19 economic slowdown but not to the degree that it is easily distinguished from natural variability, say researchers. A new record monthly peak was set in May.

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Keeling_Curve

@Keeling_curve

3 months

426.40 parts per million (ppm) CO2 in air 16-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 years

415.39 parts per million (ppm) CO2 in air 12-May-2019

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Keeling_Curve

@Keeling_curve

3 months

426.44 parts per million (ppm) CO2 in air 24-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 months

425.91 parts per million (ppm) CO2 in air 19-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 months

424.54 parts per million (ppm) CO2 in air 28-Mar-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

3 years

421.29 parts per million (ppm) CO2 in air 13-Feb-2022

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 years

May avg #CO2 sets a new record at 414.83. Was 3.52 ppm higher than May 2018. The increase is just shy of the record year-over-year increase set in 2016 after a monster #ElNi ño season. Then it was 3.56 ppm higher than previous May.

Carbon Dioxide Levels Hit Record Peak in May

Atmospheric carbon dioxide continued its rapid rise in 2019, with the average for May peaking at 414.8 parts per million (ppm), according to instruments operated by Scripps Institution of Oceanogra...

scripps.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 months

427.44 parts per million (ppm) CO2 in air 11-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

1 month

423.38 parts per million (ppm) CO2 in air 19-Jul-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

7 months

425.54 parts per million (ppm) CO2 in air 04-Feb-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 months

426.36 parts per million (ppm) CO2 in air 20-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 years

417.85 parts per million (ppm) CO2 in air 23-May-2020

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Keeling_Curve

@Keeling_curve

4 months

427.78 parts per million (ppm) CO2 in air 23-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 years

415.50 parts per million (ppm) CO2 in air 13-May-2019

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Keeling_Curve

@Keeling_curve

4 months

426.72 parts per million (ppm) CO2 in air 08-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 years

"...This week’s new highs are daily fluctuations on top of this seasonal cycle. Each year we set new record highs due to continuing fossil fuel emissions, which raise the baseline every year. The changes in emissions from #COVID -19 are not large enough to break this pattern." 2/2

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Keeling_Curve

@Keeling_curve

3 months

427.03 parts per million (ppm) CO2 in air 28-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

3 years

417.02 parts per million (ppm) CO2 in air 01-Apr-2021

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Keeling_Curve

@Keeling_curve

1 year

422.55 parts per million (ppm) CO2 in air 14-Apr-2023

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

3 years

416.94 parts per million (ppm) CO2 in air 17-Mar-2021

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Keeling_Curve

@Keeling_curve

3 months

427.44 parts per million (ppm) CO2 in air 10-Jun-2024.

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

7 months

425.48 parts per million (ppm) CO2 in air 06-Feb-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

6 months

425.07 parts per million (ppm) CO2 in air 20-Feb-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 months

426.89 parts per million (ppm) CO2 in air 16-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

7 months

425.70 parts per million (ppm) CO2 in air 10-Feb-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

6 months

424.93 parts per million (ppm) CO2 in air 24-Feb-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

2 years

420.25 parts per million (ppm) CO2 in air 10-Feb-2023

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

7 years

410.28 parts per million (ppm) CO2 in air 18-Apr-2017

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Keeling_Curve

@Keeling_curve

4 months

427.14 parts per million (ppm) CO2 in air 17-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 months

428.40 parts per million (ppm) CO2 in air 25-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 months

427.50 parts per million (ppm) CO2 in air 04-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

6 months

423.00 parts per million (ppm) CO2 in air 16-Feb-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

4 years

419.21 parts per million (ppm) CO2 in air 04-Feb-2021

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Keeling_Curve

@Keeling_curve

2 years

420.02 ppm monthly mean baseline CO2 for April 2022 at Mauna Loa

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 years

414.63 parts per million (ppm) CO2 in air 30-Apr-2019

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Keeling_Curve

@Keeling_curve

2 months

427.28 parts per million (ppm) CO2 in air 15-Jun-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

2 months

427.43 parts per million (ppm) CO2 in air 13-Jun-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 years

414.46 parts per million (ppm) CO2 in air 09-May-2019

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Keeling_Curve

@Keeling_curve

4 months

New year-over-year monthly record set, showing pace of CO2 rise is accelerating: #CO2 #NOAA

Largest Year–Over-Year Gain in Keeling Curve Set in March

New record for largest 12-month gain in carbon dioxide concentration ever observed The monthly average concentration of carbon dioxide in the atmosphere measured at NOAA's Mauna Loa Observatory in...

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 years

413.45 parts per million (ppm) CO2 in air 09-Mar-2019

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Keeling_Curve

@Keeling_curve

6 months

424.13 parts per million (ppm) CO2 in air 12-Mar-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

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Keeling_Curve

@Keeling_curve

5 months

426.17 parts per million (ppm) CO2 in air 24-Mar-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

3

31

47

Keeling_Curve

@Keeling_curve

5 years

413.82 parts per million (ppm) CO2 in air 25-Jun-2019

0

49

45

Keeling_Curve

@Keeling_curve

4 months

427.05 parts per million (ppm) CO2 in air 22-Apr-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

0

31

45

Keeling_Curve

@Keeling_curve

2 years

After disruption by the recent eruption, air sampling for the Mauna Loa record was resumed in mid December. These sample are taken from the nearby Maunakea volcano. Values reported here will be from that location until further notice.

1

10

43

Keeling_Curve

@Keeling_curve

4 months

427.37 parts per million (ppm) CO2 in air 02-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

2

37

45

Keeling_Curve

@Keeling_curve

4 years

Coronavirus won’t make a dent in the climate problem via @Mashable @SkepticalRanger

Coronavirus won’t make a dent in the climate problem

"We're not getting rid of the pile."

mashable.com

2

39

43

Keeling_Curve

@Keeling_curve

3 months

427.12 parts per million (ppm) CO2 in air 14-May-2024

The Keeling Curve

The Keeling Curve is a daily record of global atmospheric carbon dioxide concentration maintained by Scripps Institution of Oceanography at UC San Diego.

keelingcurve.ucsd.edu

0

34

46