An area chart titled "Greenhouse gas emissions by sector, World, 1990 to 2023" showing a steady increase in emissions over time, broken down by sectors like electricity and heat, transport, manufacturing and construction, agriculture, and others.

Area chart displaying global greenhouse gas emissions from 1990 to 2023, categorized by sector.

Greenhouse gas emissions by sector, World, 1990 to 2023 Greenhouse gas emissions are measured in tonnes of carbon dioxide-equivalents over a 100-year timescale. Land-use change emissions are not included. Our World in Data 50 billion t 40 billion t 30 billion t 20 billion t 10 billion t O t 1990 1995 2000 2005 2010 2015 2020 2023 Other fuel combustion Waste Buildings Industry Fugitive emissions Agriculture Manufacturing and construction Transport Electricity and heat Data source: Climate Watch (2026) OurWorldInData.org/co2-and-greenhouse-gas-emissions | CC BY