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

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738
SPM-
739
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Comments
IPCC WGIII Fourth Assessment Report, Second Order Draft
reduce clinker requirement in the cement industry. The approach
used by Chapter 7 estimated mitigation potential by industry, rather
than by technology, makes estimating the amount of mitigation
potential due to materials efficiency improvements difficult.
However, they are included.
(Lenny Bernstein, L. S. Bernstein & Associates, L.L.C.)
B 11 13 11 14 Delete the sentence “Industry is exclusive of material efficiency
improvements, other than through recycling.” Table 7.4 (Chapter
7, Pg. 11) lists a number of materials efficiency techniques other
than recycling, e.g. the use of blended cements and geopolymers to
reduce clinker requirement in the cement industry. The approach
used by Chapter 7 estimated mitigation potential by industry, rather
than by technology, makes estimating the amount of mitigation
potential due to materials efficiency improvements difficult.
However, they are included. U.S. Government
(Government of U.S. Department of State)
B 11 13 11 14 Delete the sentence “Industry is exclusive of material efficiency
improvements, other than through recycling.” Table 7.4 (Chapter
7, page 11) lists a number of materials efficiency techniques other
than recycling, e.g. the use of blended cements and geopolymers to
reduce clinker requirement in the cement industry. The approach
used by Chapter 7 estimated mitigation potential by industry, rather
than by technology, which makes estimating the amount of
mitigation potential due to materials efficiency improvements
difficult. However, the approach by industry is included. U.S.
Government
(Government of U.S. Department of State)
A 11 14 0 0 "combined heat and power is not included": Why not? It is a major
GHG mitigation option.
(Government of Germany)
A 11 16 0 0 replacing central values by a range in the final version of the table
would NOT benefit readability!
(Ronald Hutjes, Alterra)
Expert Review of Second-Order-Draft
Confidential, Do Not Cite or Quote
Response suggested by cochairs
See A-693
See A-737
See A-693
Identical B-184
See A-693
ACC; CHP to be added to ch4
and included in table
See A-693
REJ; but it better reflects
uncertainty
Action
for
chapter
SPM- 10 A 11 19 11 27 Why are the cost estimates, expressed as loss of GDP, lower in a REJ; GDP loss increase over REJ
4,11
Considerations
by the writing
team
Page 194 of 348