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
economy. This is a different impression from the statement on
page 1 that "C intensity did not change much" - I would that it did
in the 1970s but not since. Suggest edit line 11 to 12 to read
"...GDP. Whilst the C intensity of energy declined in the 1970s, it
has contributed little towards limiting CO2 emissions in the last 2
decades".
(Rachel Warren, University of East Anglia)
1 A 1 5 2 11 Figure 1 states that uncertainty for CO2 from deforestation, CH4
and N20 from agriculture, and fluorinated gases have the highest
uncertainty, but doesn't quantify it at all - some order-of-magnitude
quantification would be very helpful here.
(Paul Baer, EcoEquity)
1 A 1 5 1 15 It would be useful to quantify global current GHG emissions in
absolute terms, as reported in Figure SPM1
(Government of UK)
1 A 1 5 1 15 Add a note clarifying what the Montreal Protocol gases are.
(Government of UK)
1 A 1 6 1 7 Change "without additional policies ---" to "without additional
climate and technology policies ---". It is unclear here whether
"policy" means simply climate polices or it includes technology
policies (especially basic R&D policies). It is certain that
introduction of climate policies alone can not stabilize/reduce
global GHG emissions (This is clearly stated in Technical
Summary p. 18, lines 30-33). Therefore to make it clear, a word
"technology" should be inserted.
(Mitsutsune Yamaguchi, Teikyo University)
1 A 1 6 0 0 "without additional policies" are better changed to "without
additional climate policies and technological innovation". The
necessity of technological innovation is described, for example, in
para 6.
Expert Review of Second-Order-Draft
Confidential, Do Not Cite or Quote
Response suggested by cochairs
REJ; quantification of
uncertainty to be left to chapter
Action
for
chapter
Considerations
by the writing
team
informative
especially if
projected trends
are added.
Text/caption
will be
improved
(CH1)
1 Partially
accepted –
uncertainty
associated with
deforestation
will be dealt
with (Bill)
REJ; has no added value Agreed with
TSU
(1)
ACC; add in brackets Accepted –
Rej; it is all policies AGREED
WITH TSU
(1)
See A 112 Agreed with
TSU
(1)
(1)
(1)
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