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
396 really say anything – there is a need to be more precise. It is
suggested to give an exact number (5,10,20…) or express a range.
SPM-
397
SPM-
398
SPM-
399
SPM-
400
SPM-
401
SPM-
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SPM-
403
(Government of Sweden)
5 A 5 7 5 0 With regard to "Global emissions need to start declining at some
time in the future", "some time in the future" is too broad a
statement and lacks any sense of urgency. While it is understood
that it is difficult to pinpoint a specific time frame, revising this
statement to make it less ambiguous is suggested.
(Government of Japan)
5 A 5 7 5 7 "...at some time in the future" is not very specific and thus not
especially helpful to decision makers.
(Government of Environment Canada)
5 A 5 7 5 15 The message in this paragraph needs to be drawn out or
summarised more clearly (e.g. does this mean that relative to TAR,
emissions peak can occur later, however, that the mitigation level
must be greater to achieve stabilisation?).
(Government of Australia)
5 A 5 7 5 15 “Global emission need to start declining at some ……. ”. A very
general statement. (a) Whole of para- 5; is full of general
statements, could be deleted, or (b) Page – 5 could be used to
describe the valuable information given in Table SPM-1.
(Government of India)
5 A 5 8 5 8 The presentation by saying .."at some time in future" is too vague
for policy makers. Time line needs to be mentioned and if nit
availble at all in the literature then needs to be mentioned.
(Joyashree Roy, Jadavpur University)
5 A 5 9 5 12 Peak later? Studies may show that peaking can be later, but together
with new estimates of likely ranges of climate sensitivity, is the
message not 'peak eaerlier'?
(Harald Winkler, University of Cape Town)
5 A 5 9 5 11 add explicitly that the later peaking is due to the inclusion of non-
CO2 abatement measures (the words multi-gas reduction strategies
are insufficient to understand that this is the main reason) and faster
CO2 emissions reductions due to new technologies such as
Expert Review of Second-Order-Draft
Confidential, Do Not Cite or Quote
Response suggested by cochairs
with para 5
TIA when merging heading text
with para 5
TIA when merging heading text
with para 5
TIA when merging heading text
with para 5
TIA when merging heading text
with para 5
TIA when merging heading text
with para 5
TIA when merging heading text
with para 5
TIA when merging heading text
with para 5. Text dropped
because of confusion.
Action
for
chapter
Considerations
by the writing
team
Page 100 of 348