Environmental Engineering Reference
In-Depth Information
400
350
350
200
1
2000
1800
1900
Year
300
0
250
10 000
5000
0
Time (before 2005)
IPCC Data on Carbon Dioxide Concentration. Carbon
dioxide concentration in the atmosphere from
fig. 3.3
years
from ice core and modern data (Adapted from Climate Change
back
: The Physical Science Basis. Working Group I Contribution to the
Fourth Assessment Report of the Intergovernmental Panel on Climate
Change. Figures SPM.
and SPM.
. Cambridge University Press).
research groups all over the world are working on it.
AR
first report, The Physical Science Basis, says there
are some indications that the change in ocean
chemistry caused by what has been absorbed up to
now may decrease its ability to soak up as much of the
emissions as it has in the past. This is not a
'
s
firm conclu-
sion yet. Perhaps when AR
comes out around
we
will know more.
