Global Greenhouse Gas Emissions by Sector

Global Greenhouse Gas Emissions by Sector as sourced from Climate Watch, The World Research Institute, 2020.

Content up-to-date at time of publication

Climate Politics

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This chart shows the total amount of man-made emissions created by the world's biggest polluters.
The amount of atmospheric CO2 has charted a steady climb higher. The Mauna Loa Observatory on the north flank of volcano of the same name
Nationally Determined Contributions: the national targets to reduce greenhouse gas emissions submitted by each country voluntarily under the Paris Agreement.
In the context of economics, an externality is a consequence of a business or industrial activity that affects third parties but which is not reflected
CO2 emissions from the industrial sectors led to a year-on-year drop in 2025 under the EU Emissions Trading System, according to verified European Commission figures

11 June 2026

GLOSSARY
NDCs

Nationally Determined Contributions: the national targets to reduce greenhouse gas emissions submitted by each country voluntarily under the Paris Agreement.

11 June 2026

GLOSSARY
Externalities

In the context of economics, an externality is a consequence of a business or industrial activity that affects third parties but which is not reflected in market prices.

22 May 2026

HIGHLIGHT
Construction slowdown a factor in lower EU ETS CO2 emissions in 2025: EC

CO2 emissions from the industrial sectors led to a year-on-year drop in 2025 under the EU Emissions Trading System, according to verified European Commission figures released in April.

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