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

Chapter-
Comment
SPM-
205
SPM-
866
SPM-
867
SPM-
868
SPM-
869
para
Batch
From Page
From Line
To Page
To line
Comments
IPCC WGIII Fourth Assessment Report, Second Order Draft
and long term sequestration.” (see IPCC SRCCS). U.S.
Government
(Government of U.S. Department of State)
14 B 12 14 12 14 Clarify. What is meant by “new coal based power plants”? New
control technologies? More efficient conventional coal based
power plants? Not clear. U.S. Government
(Government of U.S. Department of State)
14 A 12 15 0 0 fuel switching from coal to gas is unlikely to be viable beyond midcentury,
given resource constraints on natural gas, unless
hydrates/clathrates can be recovered in substantial quantities.
(Michael Jefferson, World Renewable Energy Network &
Congresses)
14 A 12 15 12 15 Include 'and energy demand reduction', renewable energy…
(Government of Spain)
14 A 12 15 12 16 "... because retrofitting power plants with CCS later is generally
economically unattractive" is not precise. Should be changed to
"...because retrofitting power plants with CCS generally leads to
higher costs than newly built power plants with CCS."
(Government of Japan)
14 A 12 16 12 16 Retrofitting an existing coal plant with CCS technologies is likely
to be "more expensive" than building the CCS system at the same
Expert Review of Second-Order-Draft
Confidential, Do Not Cite or Quote
Response suggested by cochairs
Action
for
chapter
Considerations
by the writing
team
brings the same
idea.
Identical A-864 Accepted.
“New” was
replaced by
“more
efficient”.
REJ; not concistent with ch 4 Rejected. Fuel
switching from
coal to gas is
one of the
options in the
short medium –
term. Natural
gas reserves are
still significant
to mitigate
climate change
for some time.
UNCLEAR Rejected. We
are dealing only
with energy
supply here.
See A-857,858 See A-857,858
(4)
See A-857 See A-857
(4)
(4)
(4)
(4)
(4)
Page 229 of 348