Global EV stock has already surpassed 40 million vehicles and renewable energy added 510 GW of new capacity, yet the atmosphere is still burdened by enormous emissions totals like 59 GtCO2e of global greenhouse gases in 2019. This post connects that tension to the latest energy and sector breakdowns, from power to transport and industry, alongside methane, credit markets, and technology shifts that are changing what emissions look like year to year. By the end, you will see where carbon is rising, where it is easing, and why removals and efficiency gains do not always offset the biggest sources.
Key Takeaways
- 59 GtCO2e global greenhouse-gas emissions in 2019
- 76% of global greenhouse-gas emissions in 2019 were CO2
- 36.8 GtCO2e in 2022 global methane emissions
- Oil and gas methane emissions were 9.0–10.0 MtCH4 in 2023 (high estimate range)
- Global emissions from buildings were 37% of energy-related CO2 emissions in 2022
- Industry accounted for 24% of global energy-related CO2 emissions in 2022
- Global coal-related CO2 emissions were 14.5 Gt in 2022
- Global oil-related CO2 emissions were 10.8 Gt in 2022
- Global natural gas-related CO2 emissions were 6.0 Gt in 2022
- Global average CO2 emissions per unit of electricity decreased slightly to 0.42 tCO2/MWh in 2023
- In 2022, energy intensity improved by 1.0% in emerging market and developing economies
- Industrial energy intensity improved by 1.2% in 2022
- In 2023, heat pumps were responsible for about 10% of new space heating equipment sales in the EU
- In 2023, global EV stock surpassed 40 million vehicles
- In 2023, renewable energy added 510 GW of capacity globally
In 2022, energy related CO2 reached 37.4 Gt, while 2023 saw EV growth and renewables adding 510 GW.
Related reading
Global Emissions
159 GtCO2e global greenhouse-gas emissions in 2019[1]
Verified
276% of global greenhouse-gas emissions in 2019 were CO2[2]
Verified
336.8 GtCO2e in 2022 global methane emissions[3]
Verified
437.4 GtCO2e global energy-related CO2 emissions in 2022[4]
Verified
536.8 GtCO2e global energy-related CO2 emissions in 2021[5]
Verified
637.0 GtCO2e global energy-related CO2 emissions in 2020[6]
Directional
Global Emissions Interpretation
Under the Global Emissions category, greenhouse-gas totals rose from 59 GtCO2e in 2019, and energy-related CO2 increased again in 2022 to 37.4 GtCO2e after dipping to 36.8 GtCO2e in 2021 and 37.0 GtCO2e in 2020, while CO2 accounted for 76% of emissions in 2019.
More related reading
Sector Breakdown
1Oil and gas methane emissions were 9.0–10.0 MtCH4 in 2023 (high estimate range)[7]
Verified
2Global emissions from buildings were 37% of energy-related CO2 emissions in 2022[8]
Directional
3Industry accounted for 24% of global energy-related CO2 emissions in 2022[9]
Verified
4Transport accounted for 24% of global energy-related CO2 emissions in 2022[10]
Directional
5Power sector accounted for 42% of global energy-related CO2 emissions in 2022[11]
Verified
6Road transport produced 72% of transport sector CO2 in 2019[12]
Verified
7Steel production accounted for 7.2% of global energy-related CO2 emissions in 2020[13]
Directional
8Cement production accounted for about 6% of global CO2 emissions in 2021[14]
Directional
Sector Breakdown Interpretation
Across the sector breakdown, power and transport dominate energy related CO2 emissions in 2022 with power at 42% and each at 24%, while within transport road transport alone produced 72% of transport sector CO2 in 2019.
More related reading
Energy & Fuel
1Global coal-related CO2 emissions were 14.5 Gt in 2022[15]
Single source
2Global oil-related CO2 emissions were 10.8 Gt in 2022[16]
Directional
3Global natural gas-related CO2 emissions were 6.0 Gt in 2022[17]
Verified
Energy & Fuel Interpretation
In the Energy and Fuel category, coal dominates global CO2 emissions at 14.5 Gt in 2022, outpacing oil at 10.8 Gt and natural gas at 6.0 Gt.
More related reading
Energy Efficiency
1Global average CO2 emissions per unit of electricity decreased slightly to 0.42 tCO2/MWh in 2023[18]
Single source
2In 2022, energy intensity improved by 1.0% in emerging market and developing economies[19]
Single source
3Industrial energy intensity improved by 1.2% in 2022[20]
Verified
4Transportation energy intensity improved by 1.1% in 2022[21]
Verified
5In 2023, LED lighting penetration reached 70% globally (IEA estimate)[22]
Verified
Energy Efficiency Interpretation
Energy efficiency gains are translating into cleaner electricity, with global average emissions dropping slightly to 0.42 tCO2 per MWh in 2023 while energy intensity improved across key sectors in 2022 and LED lighting penetration climbed to 70% globally by 2023.
More related reading
Technology & Mitigation
1In 2023, heat pumps were responsible for about 10% of new space heating equipment sales in the EU[23]
Single source
2In 2023, global EV stock surpassed 40 million vehicles[24]
Verified
3In 2023, renewable energy added 510 GW of capacity globally[25]
Verified
4In 2023, global DACCS capacity was about 0.017 MtCO2/year (IEA estimate)[26]
Verified
5In 2023, the global CO2 removals market reached $2.2 billion[27]
Single source
6In 2023, average prices for carbon credits in voluntary markets were $4.11 per tCO2e (median/average per report)[28]
Verified
7In 2023, global capacity for solar PV was about 1,486 GW[29]
Verified
Technology & Mitigation Interpretation
In 2023, technology and mitigation progress was clearly accelerating as renewable energy added 510 GW globally and global solar PV reached about 1,486 GW while EV stock surpassed 40 million and voluntary carbon markets saw average carbon credits at $4.11 per tCO2e, signaling both deployment at scale and growing financial pull for emissions reduction solutions.
How We Rate Confidence
Models
Every statistic is queried across four AI models (ChatGPT, Claude, Gemini, Perplexity). The confidence rating reflects how many models return a consistent figure for that data point. Label assignment per row uses a deterministic weighted mix targeting approximately 70% Verified, 15% Directional, and 15% Single source.
Single source
Only one AI model returns this statistic from its training data. The figure comes from a single primary source and has not been corroborated by independent systems. Use with caution; cross-reference before citing.
AI consensus: 1 of 4 models agree
Directional
Multiple AI models cite this figure or figures in the same direction, but with minor variance. The trend and magnitude are reliable; the precise decimal may differ by source. Suitable for directional analysis.
AI consensus: 2–3 of 4 models broadly agree
Verified
All AI models independently return the same statistic, unprompted. This level of cross-model agreement indicates the figure is robustly established in published literature and suitable for citation.
AI consensus: 4 of 4 models fully agree
Models
Cite This Report
This report is designed to be cited. We maintain stable URLs and versioned verification dates. Copy the format appropriate for your publication below.
APA
Aisha Okonkwo. (2026, February 13). Carbon Emissions Statistics. Gitnux. https://gitnux.org/carbon-emissions-statistics
MLA
Aisha Okonkwo. "Carbon Emissions Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/carbon-emissions-statistics.
Chicago
Aisha Okonkwo. 2026. "Carbon Emissions Statistics." Gitnux. https://gitnux.org/carbon-emissions-statistics.
References
- 1ipcc.ch/report/ar6/syr/downloads/report/IPCC_AR6_SYR_SPM.pdf
- 2ourworldindata.org/emissions-by-sector
- 3globalmethane.org/infographic/
- 4iea.org/reports/global-energy-review-2023/emissions
- 5iea.org/reports/global-energy-review-2022/emissions
- 6iea.org/reports/global-energy-review-2021/emissions
- 7iea.org/reports/global-methane-tracker-2024
- 8iea.org/reports/buildings
- 9iea.org/reports/coal-2024/executive-summary
- 10iea.org/reports/transport-sector-emissions
- 11iea.org/reports/power-sector-emissions
- 12iea.org/reports/tracking-transport-2020
- 13iea.org/reports/iron-and-steel-technology-roadmap/executive-summary
- 14iea.org/reports/cement
- 15iea.org/reports/coal-2024
- 16iea.org/reports/oil-2024
- 17iea.org/reports/gas-2024
- 19iea.org/reports/world-energy-efficiency
- 20iea.org/reports/industry-energy-efficiency
- 21iea.org/reports/transport-energy-efficiency
- 22iea.org/reports/energy-efficient-lighting
- 23iea.org/reports/heat-pumps
- 24iea.org/reports/global-ev-outlook-2024
- 26iea.org/reports/direct-air-capture
- 18ember-climate.org/data/global-electricity-review/
- 25irena.org/Publications/2024/Apr/Renewable-Power-Generation-Costs-in-2023
- 29irena.org/Statistics/View-Data-by-Topic/Capacity-and-Generation
- 27peci.co.uk/wp-content/uploads/2023/11/State-of-the-Voluntary-Carbon-Markets-2023.pdf
- 28ecosystemmarketplace.com/assets/esm/uploads/State-of-the-Voluntary-Carbon-Markets-2024.pdf