(-33%) during 1970 to 2004 has been smaller than the
com-
bined effect of global income growth (77%) and global population
growth (69%); both drivers of increasing energy-related CO2 emis-
sions. The long-term trend of declining CO2 emissions per unit of en-
ergy supplied reversed after 2000. {WGIII 1.3, Figure SPM.2, SPM}
Differences in per capita income, per capita emissions and
energy
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