Aaron O'Neill
Research expert covering historical data
Detailed statistics
Estimate composition of the Earth's atmosphere
Detailed statistics
Annual global carbon emissions and uptake by broad source 2010-2019
Detailed statistics
Total global carbon emissions and absorption 1750-2019
Estimate composition of the Earth's atmosphere
Composition of the Earth's dry atmosphere (in parts per million)
Annual global carbon emissions and uptake by broad source 2010-2019
Annual average carbon dioxide emissions and carbon dioxide uptake by broad source in the period from 2010 to 2019 (in gigatons of carbon dioxide)
Total global carbon emissions and absorption 1750-2019
Cumulative volume of global carbon emissions and carbon sequestration by broad source in selected periods between 1750 and 2019 (in gigatons of carbon)
Global carbon stocks by broad source 2010-2019
Estimated stock of carbon in the earth, ocean, and atmosphere by broad source or location in the period from 2010 to 2019 (in gigatons of carbon)
Fossil fuels carbon content by type
Carbon content of fossil fuels by type (in pounds of carbon dioxide per million British thermal units)
Amount of carbon stored in selected ecosystems 2022
Carbon storage in selected ecosystems worldwide as of January 2022, by type (in metric tons per hectare)
Share of CO2 emissions absorbed by land and ocean sinks by 2100, by scenario
Proportion of anthropogenic CO2 emissions taken up by land and ocean carbon sinks by 2100, by scenario
Annual carbon flux in forest worldwide 2001-2023, by climate domain
Average annual carbon flux from forests worldwide from 2001 to 2023, by climate domain (in billion metric tons of CO₂e)
Global forest carbon stock and carbon density 1990-2020
Total carbon stock and carbon density in forests worldwide in 1990 and 2020
Average global ocean pH level 1985-2022
Average ocean pH level worldwide from 1985 to 2022
Global annual methane emissions and sinks 2008-2017, by source
Volume of average annual methane emissions and sinks worldwide from 2008 to 2017, by broad source (in megatons of methane)
Thawed permafrost area 2030, by scenario
Area of thawed permafrost worldwide by 2030, by warming scenario (in million square kilometers)
Global tree cover loss 2001-2021, by climate domain
Loss of tree cover worldwide from 2001 to 2021, by climate domain (in million hectares)
Tree cover loss in Brazil 2022, by cause
Tree cover loss in Brazil in 2022, by dominant driver (in 1,000 hectares)
Palm oil land use worldwide 2000-2020
Palm oil land use in Indonesia, Malaysia, Thailand, and worldwide from 2000 to 2020 (in million hectares)
Global greenhouse gas emissions on agricultural lands 1990-2021
Annual greenhouse gas emissions on agricultural lands worldwide from 1990 to 2021 (in billion metric tons of CO₂ equivalent)
Annual global emissions of carbon dioxide 1940-2023
Annual carbon dioxide (CO₂) emissions worldwide from 1940 to 2023 (in billion metric tons)
Global cumulative CO₂ emissions from fossil fuels and land use 1850-2022, by country
Largest contributors to cumulative carbon dioxide (CO₂) emissions from fossil fuels, land use, and forestry worldwide from 1850 to 2022 (in billion metric tons)
Global carbon dioxide budget from anthropogenic sources 2010-2020
Anthropogenic carbon dioxide emissions worldwide from 2010 to 2020 (in billion metric tons)*
Global atmospheric carbon dioxide concentration 1959-2023
Average carbon dioxide (CO₂) levels in the atmosphere worldwide from 1959 to 2023 (in parts per million)
Global share of methane emissions 2022, by sector
Distribution of anthropogenic methane (CH4) emissions worldwide in 2022, by sector
Global warming potential (GWP) 2021, by gas type
Global warming potential (GWP) values of selected greenhouse gases as of 2021, by time scale
Global GHG emissions by gas 1970-2010
Distribution of anthropogenic greenhouse gas emissions worldwide from 1970 to 2010, by emission type
Global GHG emissions from select material production 2019
Greenhouse gas emissions from production processes worldwide as of 2019, by select material (in billion metric tons of carbon dioxide equivalent)
Global average atmospheric abundance of methane 1990-2023, by month
Globally-averaged, monthly mean atmospheric methane (CH4) abundance from 1990 to 2023 (in parts per billion)
Global land and ocean temperature anomalies 1880-2023
Annual anomalies in global land and ocean surface temperature from 1880 to 2023, based on temperature departure (in degrees Celsius)
Global ocean temperature anomalies 1880-2023
Annual anomalies in global ocean surface temperature from 1880 to 2023, based on temperature departure (in degrees Celsius)
Projected temperature increase worldwide 2100, by scenario
Global warming projections by 2100, by scenario (in degrees Celsius)
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