To solve the problem of ignoring CO₂ emission carrying capacity(CECC) in traditional ecological footprint,we constructed a CECC model by combining net primary productivity with ecological footprint method from a standpoint of carbon absorption,taking Jilin Province as a case study.The results showed that during 1994 and 2008,the CECC per capita decreased from 2.0345 hm² to 1.9504 hm²,showing a fluctuation with rising first and declining afterwards.In the composition of CECC,forest,arable land and grazing land are main parts,accounting for 89.54% to 94.43% of the total,and grazing land decreased most significantly from 0.5692 hm² to 0.1857 hm²,with a decreasing percentage of 67.38.Meanwhile,less productive land area and grazing land area showed highly significant correlations with CECC per capita respectively(R²=-0.806,0.716),which indicated that the decreasing of CECC was mainly affected by less productive land expanding and grassland degenerating.The CECC model could reflect the ability of natural environment in energy waste absorbing,and be able to accord with the real situation of regional resource endowment precisely.