2000 to 2100 in the
absence of additional climate policies
Global GHG emissions (Gt
C
O 2
-eq / yr
)
post-SRES (max)
post-SRES (min)
Purchasing Power Parity, PPP) does not appreciably affect the pro-
jected emissions, when used consistently.
11 The differences, if any,
are small compared to the uncertainties caused by assumptions on
other parameters in the scenarios, e.g. technological change
/media/loftslag/IPPC-2007-ar4_syr.pdf