Breakdown of GHG emissions by Gas

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About ... Breakdown of GHG emissions by gas

Zeynep Kahraman, TSP team


As a basic analysis, this graph presents the shares of greenhouse gas emissions emitted in particular countries or regions during a particular year from all sectors. All emissions are expressed in CO2co2 (or carbon) equivalents using 100 year global warming potentials found in the IPCC Second Assessment Report (1996).

Data Source:

Climate Analysis Indicators Tool (CAIT) Version 8.0. (Washington, DC: World Resources Institute, 2011). Go to WRI database

Context and definitions

Data covers all the sectors those drawn from the IPCC Common Reporting Framework used by the United Nations Framework Convention on Climate Change. The main sectors include: Energy, Industrial Processes, Agriculture, Land Use Change and Forestry, and Waste. The Energy sector also includes five subsectors (e.g., Electricity & Heat). International Bunkers are shown as a sector, but separately from Energy and National Total, in accordance with IPCC Guidelines. The greenhouse gas options cover six main greenhouse gases: carbon dioxide (CO2co2), methane (CH4ch4), nitrous oxide (N2On2o), and the three high global warming potential gases (HFCs, PFCs, and SF6sf6).

You can change the measurement of GHG emissions between units of carbon dioxide (CO2co2) equivalent and carbon (C) equivalent.

Measurement Unit: Million metric tons of carbon dioxide equivalent (MtCO2co2eq)converted to GtCO2co2,GtCO2co2eq, KtCO2co2eq, MtCeq, GtCeq and KtCeq.

Data Coverage: CO2co2 from fossil fuels and cement (1850-2007); CO2co2 from land use changes (1990-2005); five non-CO2co2 gases (CH4ch4, N2On2o, HFCs, PFCs, and SF6sf6; 1990, 1995, 2000, and 2005).

Data Interpolation:Interpolation for the five non-CO2co2 gases (CH4ch4, N2On2o, HFCs, PFCs, and SF6sf6) in between the given datas of 1990, 1995, 2000, and 2005.

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