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

Chapter-
Comment
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Comments
IPCC WGIII Fourth Assessment Report, Second Order Draft
A 7 25 8 1 figure SPM.4 title: replace first 3 lines by "Emission reductions
cumulative over 2000-2100 for alternative mitigation measures,
assessed by the models IMAGE (upper bars) and MESSAGE
(lower bars). Black ...etc.
(Aviel VERBRUGGEN, University of Antwerp)
A 7 25 7 25 Fig SMP.4 Achieving a lower forcing function would require more
investment in low carbon technologies but it is not clear from the
figure or discussion how the respective carbon savings from each
technology compare with what is happening today; or what
investment is needed in each technology to achieve these savings. It
would be helpful to policy makers to put this in the wider context
so they have an idea of the scale of the challenge and hence the
need for some quite strong policy instruments to create investment
critical mass.
(Government of UK)
A 7 25 7 25 Figure SPM.4: Change "Biofuels(incl.CCS)" to "Biofuels".
Reason:Biofuels should be one part of renewalbe energy. And it is
not necessary to emphsize CCS here.
(Government of China Meteorological Administration)
A 7 25 0 0 Fig. SPM 4 We propose that ppmv CO2-eq is used as the primary
unit when reference is made to stabilisation. The figure and text
should, if feasible, be rewritten to reflect this. Furtehrmore, we
propose to use "bioenergy" in stead of "biofuel" (fuel will often be
taken as liquid fuel) and "redusctions in other emissions than CO2"
instead of "Non-CO2".
(Government of Norwegian Pollution Control Authority)
A 7 25 7 25 Fig SPM-4: The w/m2 will not be clear to most people. The point
that reductions required to go to lower stabilization levels (i.e. from
650 to 500ppm (grey bars)) will be significant, and that the role of
Expert Review of Second-Order-Draft
Confidential, Do Not Cite or Quote
Response suggested by cochairs
Action
for
chapter
Considerations
by the writing
team
it should be
mentioned that
there is choice,
but at a price
ACC Accepted, but
figure will be
changed.
(4)
DICUSS if investment data can
be given
(4)
3, 11,4 noted. However
data unavailable
(ch3)
Accepted. Try
to include
investment.
(4)
ACC, see A-537 See comment
SPM 537 A.
(4)
ACC drop W/m2 and use
bioenergy
Accepted. Drop
W/m2 and use
bioenergy
(4)
ACC, see A-550 See SPM
comment 550 A
(4)
Page 141 of 348