CO2 Page

1 Year of CO2 Daily and Weekly Means – Mauna Loa

NOAA Global Monitoring Laboratory (GML) – Mauna Loa Observatory – gml.noaa.gov/ccgg/trends – Click the pic to view at source
(URL updated: formerly ESRL/GMD, now GML)

5-Year Global Monthly Mean CO2

NOAA Global Monitoring Laboratory (GML) – Click the pic to view at source

5-Year Mauna Loa Monthly Mean CO2

NOAA Global Monitoring Laboratory (GML) – Click the pic to view at source

7-Year Alert, Canada Daily CO2

ClimateGrog – Greg Goodman – Click the pic to view at source

1996 to Present – Mauna Loa CO2 and Temperature Record Trends

Wood for Trees – Werner Brozek – Hadley/CRU, NOAA GML, NASA GISS, UAH, RSS – Click the pic to view at source

1985 to 2009 – Alert, Canada CO2 Concentrations

⚠ The original CDIAC Alert Canada CO2 chart is no longer available — CDIAC was closed in September 2017. Current Alert station CO2 data is maintained by NOAA GML:

NOAA GML – Alert Station (ALT)

1979 to Present – Global Average CO2 and Growth Rate

NOAA Global Monitoring Laboratory (GML) – Click the pic to view at source

1975 to Present – Mauna Loa CO2 (since 1800)

NOAA Global Monitoring Laboratory (GML) – Click the pic to view at source

1973 to Present – Monthly Mean Carbon Dioxide

NOAA Global Monitoring Laboratory (GML) – Click the pic to view at source

1960 to Present – Mauna Loa CO2 Growth Rate

NOAA Global Monitoring Laboratory (GML) – Click the pic to view at source

1959 to Present – Mauna Loa CO2

NOAA Global Monitoring Laboratory (GML) – Click the pic to view at source

1957 to Present – Mauna Loa Monthly Mean Carbon Dioxide

NOAA Global Monitoring Laboratory (GML) – Click the pic to view at source

1900 to 2011 – Cumulative CO2 Concentration, Anthropogenic Emissions and Temperature

Ferdinand Engelbeen – Mauna Loa, Law Dome, Siple Dome, DOE, Hadley Center – Click the pic to view at source

1850 to Present – Observed Total CO2 Concentration

⚠ The original European Environment Agency (EEA) image (wwws3.eea.europa.eu) is no longer available — that server has been decommissioned. Current EEA CO2 data:

EEA – Atmospheric Greenhouse Gas Concentrations (current)


Paleo CO2 Records:

1830 to Present – Law Dome, Antarctica CO2 Mixing Ratio & 1000 to Present Law Dome CO2

⚠ The original CDIAC Law Dome CO2 charts (cdiac.ornl.gov) are no longer available — CDIAC was closed in 2017. Law Dome and other ice core CO2 data are now archived by NOAA NCEI Paleoclimatology and NOAA GML:

NOAA GML – CO2 History (includes ice core composite)
NOAA NCEI Paleoclimatology – Ice Core Data

1740 to Present – CO2 (University of Washington / Dennis Hartmann)

University of Washington – Department of Atmospheric Sciences – Dennis L. Hartmann – Click the pic to view at source

10,700 Years – GISP2 Temperature with CO2 from EPICA Dome C

climate4you.com – Ole Humlum – Click the pic to view at source

160,000 to 1996 – CO2 Concentration (University of Washington / Dennis Hartmann)

University of Washington – Department of Atmospheric Sciences – Dennis L. Hartmann – Click the pic to view at source

400,000 to Present – Vostok, Antarctica CO2 Concentration

⚠ The original CDIAC Vostok CO2 chart is no longer available. Vostok ice core data is now archived by NOAA NCEI Paleoclimatology:

NOAA NCEI Paleoclimatology – Ice Core Data (Vostok)

1750 to Present – Observed Total CO2 Concentration

⚠ The original EEA (wwws3.eea.europa.eu) image is no longer available. Current data:

EEA – Atmospheric Greenhouse Gas Concentrations (current)


Anthropogenic CO2 Emissions By Source:

1990–2013 – Global Fossil Fuel and Cement Emissions

Geovisualist – Le Quéré et al. 2013, CDIAC – Click the pic to view at source | ▶ Global Carbon Project – current emissions data

1750–2010 – Global CO2 Emissions from Fossil Fuels (total & by contributor)

⚠ The original CDIAC fossil fuel emissions charts are no longer available. Current global CO2 emissions data:

Global Carbon Project – Carbon Budget
Our World in Data – CO2 Emissions
IEA – Greenhouse Gas Emissions from Energy

1950–2010 – Global Per Capita CO2 Emissions from Fossil Fuels

⚠ The original CDIAC per-capita emissions charts are no longer available. Current per-capita data:

Our World in Data – Per Capita CO2 Emissions

Cumulative Anthropogenic CO2 Emissions from Fossil Fuels

CDIAC / Global Carbon Project – Click the pic to view at source | ▶ Global Carbon Project – current cumulative emissions

1950–2010 – Global Per Capita CO2 Contributions By Source

⚠ The original CDIAC carbon budget chart is no longer available. Current carbon budget data:

Global Carbon Project – Carbon Budget (annual)

Note: All historical Land Use based estimates of CO2 contribution should be viewed with a high degree of skepticism. The Houghton land use flux estimates have varied significantly across publications and the methodology relies on reconstructed historical land use statistics.


Anthropogenic CO2 Emissions By Geography/Country:

1965–2013 – CO2 Emissions: Developed vs. Developing World

Ed Hoskins – BP Statistical Review of World Energy 2014 – Click the pic to view at source

1980–2013 – CO2 Emissions and Per Capita: Developed vs. Developing World

Ed Hoskins – BP Statistical Review of World Energy 2014 – Click the pic to view at source

1965–2013 – Cumulative CO2 Emissions: Developed vs. Developing World

Ed Hoskins – BP Statistical Review of World Energy 2014 – Click the pic to view at source

1965–2013 – CO2 Emissions For Selected Countries

Ed Hoskins – BP Statistical Review of World Energy 2014 – Click the pic to view at source

1965–2013 – CO2 Emissions Per Capita For Selected Countries

Ed Hoskins – BP Statistical Review of World Energy 2014 – Click the pic to view at source

1965–2013 – CO2 Emissions Per Capita For Selected Countries (chart 2)

Ed Hoskins – BP Statistical Review of World Energy 2014 – Click the pic to view at source

1965–2013 – Annual CO2 Emissions Growth vs. Total For Selected Countries

Ed Hoskins – BP Statistical Review of World Energy 2014 – Click the pic to view at source


Land Use Change Based CO2 Estimates:

There have been claims that Land Use Changes are a significant source of anthropogenic CO2. However, the following graphs are based upon Houghton et al. data with known limitations, as acknowledged in IPCC AR4. Houghton’s method of reconstructing Land-Use Based Net Flux relies on statistical and historic documents for 9 world regions, and findings have varied significantly between publications (e.g. global total net flux estimates differed substantially between Houghton & Hackler 2001 and Houghton 2008). These estimates should be viewed with appropriate skepticism.

Annual Net Flux to the Atmosphere from Land Use Changes: 1850–2005 (Houghton)

CDIAC / Houghton – Click the pic to view at source | ▶ Global Carbon Project – current land use flux data

Net Flux of Carbon from Land-Use Changes 1850–1990

⚠ The original CDIAC land-use flux chart (cdiac.ornl.gov/epubs/ndp/ndp050/) is no longer available. Current land-use CO2 flux data is maintained by the Global Carbon Project:

Global Carbon Project – Carbon Budget (includes land use flux)


Source Guide:

BP / Energy Institute – Statistical Review of World Energy
Note: BP’s Statistical Review is now published as the Energy Institute Statistical Review of World Energy.
Home Page – https://www.bp.com/
Energy Institute Review – https://www.energyinst.org/statistical-review

NOAA Global Monitoring Laboratory (GML) (formerly ESRL Global Monitoring Division / GMD)
Home Page – https://gml.noaa.gov/
CO2 Trends – https://gml.noaa.gov/ccgg/trends/
Global CO2 – https://gml.noaa.gov/ccgg/trends/global.html
CO2 History (ice cores) – https://gml.noaa.gov/ccgg/trends/history.html

CDIAC – Carbon Dioxide Information Analysis Center (closed September 2017)
Data archived at OSTI/DOE: https://cdiac.ess-dive.lbl.gov/
See also: Global Carbon Project

ClimateGrog – Greg Goodman
Home Page – https://climategrog.wordpress.com/

European Environment Agency (EEA)
Home Page – https://www.eea.europa.eu/
Greenhouse Gas Indicators – https://www.eea.europa.eu/en/analysis/indicators/atmospheric-greenhouse-gas-concentrations

Ferdinand Engelbeen
Home Page – https://www.ferdinand-engelbeen.be/
Climate Page – https://www.ferdinand-engelbeen.be/klimaat/climate.html

Global Carbon Project
Home Page – https://www.globalcarbonproject.org/
Carbon Budget – https://www.globalcarbonproject.org/carbonbudget/

NOAA NCEI Paleoclimatology – Ice Core Data
https://www.ncei.noaa.gov/products/paleoclimatology/ice-core

University of Washington – Department of Atmospheric Sciences – Dennis L. Hartmann
Department Home – https://www.atmos.washington.edu/
Dennis Hartmann’s Page – https://www.atmos.washington.edu/~dennis/

Wood for Trees – Interactive Climate Graph Engine
https://www.woodfortrees.org/

climate4you.com – Ole Humlum
https://www.climate4you.com/

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December 18, 2018 4:08 pm

Fossil fuels like coal and oil supplied us using the essential
resource to generate our own electricity while using use of generators in power plants.
As energy prices increase and lots of homeowners be a little more alert to their carbon footprint, solar panel technology panels have received renewed interest among consumers.
However although many alternative energy options only really suitable for giant scale generation, wind turbines
have become successful when reduced to a size well
suited for home wind power and are creating a substantial contribution for a
household’s electricity requirements.

Reply to  magnetic energy
January 16, 2019 3:38 am

Hi Magnetic Energy, I am Solar Energy. Nice To Meet You “Again”, Seems Like We Are Heading In The Same Direction LOL. See You Later In The Comment Section Of Another Post. Byeeeee.

Anthony J Varrichio
October 3, 2019 7:53 am

CO2 absorbs Infrared Radiation we all agree. What percent of this is emitted back to earth ? The IR Causes the CO2 molecules to vibrate and heat up, but doesn\’t that constitue work and the dissipation of heat ? how does it emit back to a warmer (earth ) surface when heat can only transfer from hot to cold ?

May 4, 2020 7:34 am

Do climate models use a single CO2 value to populate its global grid (for each vertical level), or do the models use regional CO2 values?