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American Journal of Botany, 90, pp 610-619 (2003), Wagner F et al. Science vol. 284 p 92 (1999)).) [Richard S Courtney] 2-6 A 3:45 3:45 "To avoid being very misleading it is necessary to make an insertion between “… TAR.” Do not agree with their asessmment or Confidential, Do Not Cite or Quote Chapter 2: Batch AB (11/16/05) Page 364 of 386

And no objective or scientific in nature estimate provided by computer models of the climate system has any value of any kind when “the scientific understanding is low” because the models are merely formulations of understandings of the climate system. [Richard S Courtney] 2-13 A 5:19 5:19 Replace the phrase “Observations and models indicate that” with “Observations indicate Do not agree with their asesssment.

International Journal of Climatology, vol. 23, 829-845 (2003)) [Richard S Courtney] 2-65 A 47:33 47:34 "Replace the sentence, “This unexpectedly large impact … Shine, 2005)” with Minnis’ emperical mode is likely “Two climate model studies have failed to emulate this unexpectedly large impact wrong.

However, it cannot be excluded that the production rate from other sources, such as microbiological activity, among others, could have increased. ” [Richard Courtney (Reviewer’s comment ID #: 49-47)] TS-107 A 5:52 5:52 Do you need to say "small portion"?

[2.3]” [Richard Courtney (Reviewer’s comment ID #: 49-7)] SPM- A 5:7 5:7 Insert before "increases"" If water vapour and clouds are ignored completely" Water vapor and cloud changes are feedback effects 329 [VINCENT GRAY (Reviewer’s comment ID #: 88-2154)] and dealt with below.

However, I became so angry at the need to point out the above elementary principles that I abandoned the review at this point: the draft should be withdrawn and replaced by another that displays an adequate level of scientific competence). [Richard S Courtney] Confidential, Do Not Cite or Quote Chapter 2: Batch AB (11/16/05) Page 386 of 386

However, it cannot be excluded that the production rate from other sources, such as microbiological activity, among others, could have increased. ” [Richard Courtney (Reviewer’s comment ID #: 49-58)] TS-167 A 7:8 7:8 This Table makes iit impossible to detect trends.

[Govt. of France (Reviewer’s comment ID #: 2010-115)] SPM- A 14:2 14:2 "This section seems a conclusion and would be helpful for policy makers to draw The section is not a conclusion - SPM’s do not have 1309 2 3 a quick inference.

.” [Richard Courtney (Reviewer’s comment ID #: 49-51)] TS-140 A 6:31 6:31 Change the opening to singular--there is only one atmospheric CO2 concentration (at least Accepted on a global average).

Indeed, additional complexity may reduce the accuracy of a model because it may exacerbate the effects of an erroneous parametrisation. [Richard Courtney (Reviewer’s comment ID #: 49-29)] SPM- A 12:1 12:3 provide more substantive information in this highlightes /bold letter sentence Accepted 1066 [Govt. of Germany (Reviewer’s comment ID #: 2011-237)] SPM- A 12:1 12:1 add information on expected warming for mitigation scenarios, in particular very WG1 has no basis to evaulate which scenarios are 1067 9 low stabilisation scenarios.