Skip to main content

Table 1 CO2, CH4 and N2O fluxes and their overall global warming potential (Pg CO2 eq/year) in the 2000s as estimated by the DLEM model

From: North American terrestrial CO2 uptake largely offset by CH4 and N2O emissions: toward a full accounting of the greenhouse gas budget

Countries CO2 CH4 N2O Overall GWP Offset rate by CH4 and N2O
US −1.24 ± 0.41 0.23 ± 0.04 0.48 ± 0.06 −0.53 ± 0.38 57 % ± 8 %
Canada −0.54 ± 0.27 0.30 ± 0.07 0.15 ± 0.02 −0.09 ± 0.21 83 % ± 17 %
Mexico −0.05 ± 0.23 −0.007 ± 0.001 0.19 ± 0.04 0.13 ± 0.21 329 % ± 119 %
North America −1.83 ± 0.34 0.52 ± 0.04 0.82 ± 0.06 −0.50 ± 0.27 73 % ± 14 %