SODBatch A&B SPM Comments co-chair response final ... - ipcc-wg3

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Comments
IPCC WGIII Fourth Assessment Report, Second Order Draft
A 3 3 3 0 Figure SPM 2: Is the unit of Y-axis correct? Should you change
"GtCO2" to "% per year"? (also the same comment to Figure TS 4
and Figure 1.6)
(Keigo Akimoto, Research Institute of Innovative Technology for
the Earth (RITE))
A 3 3 0 0 Figure SPM2 The text to the figure is too complicated. We guess
the figure shows that the intensity of carbon in energy has
contributed to emission reductions in the three periods, but almost
nil in the last, the intensity of energy in GDP has contributed to
emission reductions in all the three periods, and increasingly.
Population growth and income growth have been the main
contributors to emissions growth, while increased energy efficiency
have contributed most to reduction of emissions although mainly in
the first two periods.
(Government of Norwegian Pollution Control Authority)
A 3 3 0 0 Figure SPM.2The figure is hard to understand but have an
important message. We suggest that the lead autors consider an
alternative layout/presentation of the figure. Please also check the
denomination on the y-axis.
(Government of Norwegian Pollution Control Authority)
A 3 3 3 4 TS page 3 line 22 states the "carbon intensity of energy supply
...was more or less constant". Here, that the carbon intensity energy
USE has declined. Clarify consistency on "use" and "supply".
Policymakers might be interested to know how the earlier reduction
in the carbon intensity of energy use was achieved, and why it has
now slowed.
(Government of Environment Canada)
A 3 3 0 0 Fig SPM-2: The concept and inferences from Fig 2 are good, but
figure itself is difficult to understand. Can the figure presentation be
changed for user friendliness – TS-3 figure is clearer.
(Government of India)
B 3 3 3 3 Fig. SPM2: … energy related CO2 emission …: what is exact
meaning of "energy-related"? Is it "fossil fuel" combustion only, or
does it include venting ? Please define terms used when ambiguous.
Expert Review of Second-Order-Draft
Confidential, Do Not Cite or Quote
Response suggested by cochairs
Action
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chapter
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by the writing
team
See A-26 Will be
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See A-26 Will be
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