Sunday, April 1, 2012


cc: zhenlin chen <>,
date: Mon, 15 Jan 2007 17:08:01 -0700
from: Susan Solomon <>
subject: [Wg1-ar4-clas] Shorter presentations at Paris

Dear CLAs,
We are writing to address the two types of presentations (shorter and longer) that are to
be given in Paris. A number of you have asked about the shorter presentations in
particular and we want to clarify that here.
We would like to ask the people who served as section coordinators for each section in our
TS/SPM meetings to coordinate pulling together the shorter presentations of not more than
10 slides (Ramaswamy on drivers; Bindoff on observations; Hegerl on attribution, Stocker on
Many of you have kindly already sent around draft material for the longer science
presentations, and that has been very helpful. These will occur informally during lunch
breaks, or before the morning sessions at the plenary and will not be subject to
simultaneous translation. The most interested delegates will typically find these very
helpful, and will want to use them to ask you questions.

In addition, during the regular formal sessions and prior to presentation of each of the
major sections of the report (drivers, observations, attribution, and projections), we will
benefit from a very short presentation that introduces the section. The speaker's words
will be subject to simultaneous translation. We suggest that the paleo ice core material
be covered as part of the drivers, that the paleo observations be covered as part of the
observations, etc, to speed things up (we can switch speakers but keep slides in the same

These shorter presentations are extremely important in setting the stage. They must be
very short. We will have an absolute limit of not more than 10 minutes, preferably 5
minutes for the shorter sections of the report namely drivers and attribution). Please do
not include more than a maximum of 10 slides. Questions will be strictly limited by the
session chair (Susan or Dahe) to matters of clarity (e.g., if an axis isn't clear).

We will go over both the shorter and the longer presentations jointly at our preparatory
meeting at the UNESCO center on Sat/Sun Jan 27/28 so please come prepared to do that. An
agenda for the preparatory meeting will be circulated to you shortly.
The shorter presentations can largely be derived from the longer ones. They will be most
helpful if:
- they do seek to provide a general sense of how the section is meant to fit together and
some key highlights.

- they present the figures and tables used in the SPM section to follow, but do not
include figures from the chapters unless absolutely essential. Including figures from
outside the report could create problems and should be avoided.

- they avoid raising new issues or suggesting changes from the distributed SPM. As
some of us have seen in the heated discussions via email about the MOC, sticking to the
agreed consensus obtained in the chapter teams is something our colleagues who will not be
in Paris would appreciate our doing as much as possible. We will need to agree to all
changes to be presented by us to delegates as a team in our preparatory meeting on Jan
27-28. They will choose to seek more and that is what we will have to jointly manage.

- they have very little text on them, as simple as possible.

- they do not try to cover each bullet.
You may wish to consider whether it is helpful to alternate speakers between your science
presentation and these short presentations, so that more of you get a chance to speak.

Some of you asked for sample presentations. You are probably aware that we completed a
special report on HFCs/ozone in 2005. The short presentation on our section (section 2)
at that session worked extremely well and is appended here as an example in case you want
to glance at it, along with the SPM itself. We had much less material to cover of course
and more time to do it (this is more than 10 slides but don't be tempted as that was a
different situation) but we hope this is still helpful.

We look forward to seeeing you and discussing all of the presentations on Jan 27-28.

Best regards,
Susan, Martin, and Dahe

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