| Summary: | GCP-CEM: The Global Carbon Project CEMent-process emissions dataset This is an update of the dataset documented in: Andrew, R.M., 2019. Global CO2 emissions from cement production, 1928–2018. Earth System Science Data 11, 1675–1710. https://doi.org/10.5194/essd-11-1675-2019 . Data in this release cover the period 1880–2022. Note that emissions from use of fossil fuels in cement production are not included in this dataset since they are usually included elsewhere in global datasets of fossil CO2 emissions. The process emissions in this dataset, which result from the decomposition of carbonates in the production of cement clinker, amounted to ~1.6 Gt CO2 in 2022, while emissions from combustion of fossil fuels to produce the heat required amounted to an additional ~1.0 Gt CO2 in 2022. December 2023 release (231222): Minor changes Corrected error processing input file zero_before_after.csv Added additional countries to zero_before_after.csv: Afghanistan, Antarctica, Australia, Bahrain, Bangladesh, Barbados, Bolivia, Brazil, Cuba, Cyprus, Dominican Republic, Egypt, El Salvador, Guatemala, Haiti, Honduras, Jamaica, Tunisia, and Zimbabwe The Cement Production dataset Annual cement production data by country are assembled from a number of sources. Prioritisation is given to national sources, whether directly from statistical offices or activity data reported in official emissions reports submitted to the UNFCCC. Where official sources are not used, data are sourced from the USGS Minerals Yearbooks. Some data points in the USGS dataset are corrected based on either sense-checks or information from alternative sources. For data before 1990, USGS data are obtained via back-calculation from the 2019 edition of the CDIAC emissions dataset. The first year for most countries in the USGS data is 1928; where the combined dataset shows zeros before 1928 and non-zero data from 1928, these zeros are assumed to be artefacts and are set to NODATA. Using available data for some former Soviet states before the dissolution of the ...
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