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Emissions Trends and Drivers (Chapter 2)
Global net anthropogenic greenhouse gas (GHG) emissions during the last decade (2010β2019) were higher than at any previous time in human history (high confidence). Since 2010, GHG emissions have continued to grow, reaching 59 Β± 6.6 GtCO2-eq in 2019,1 but the average annual growth in the last decade (1.3%, 2010β2019) was lower than in the previous decade (2.1%, 2000β2009) (high confidence). Average annual GHG emissions were 56 Β± 6.0 GtCO2-eq yr β1 for the decade 2010β2019 growing by about 9.1 GtCO2-eq yr β1 from the previous decade (2000β2009) β the highest decadal average on record (high confidence)