Joshua and list (and adding the two authors)
1. Thanks for this lead to what I think will be an important
geoengineering comparison. Not only that there are few papers that
analytically compare CDR to SRM, but state a clear preference for one or the
other. Mostly Zhang-Posch compare based on ethical principles, but they
discuss costs.
2. I hope SRM advocates will take this chance to rebut the Zhang-Posch
stated preference for CDR.
3. My main “beef” is that CDR was treated as a single entity. I hope
Zhang-Posch will now add a second paper doing the same analyses for the main
CDR approaches. Not as stark differences as between SRM and CDR, but this
list continually notes that CDR is not one technology.
4. I like their two figures, but feel more differences will show up
when they (hopefully) modify Figure 2 for different CDR approaches (as I don’t
see it adequately covering biochar - which term is never mentioned). Also hope
they can distinguish on such a figure between costs and benefits (positive and
negative feedbacks). The time dimension is included more than most such
figures.
5. Because they emphasized the term, I looked up “minimax” on Wiki and
found this new-to-me philosophic/ethical principle (my emphasis added)
“In philosophy, the term "maximin" is often used in the context of John
Rawls's A Theory of Justice, where he refers to it (Rawls (1971, p. 152)) in
the context of The Difference Principle. Rawls defined this principle as the
rule which states that social and economic inequalities should be arranged so
that "they are to be of the greatest benefit to the least-advantaged members of
society".[6][7]
6. Probably would fail with Ayn Rand or the new US Congress, but might
get a super majority if voted on by all 7 billion of us.
Ron
On Nov 10, 2014, at 4:35 AM, Joshua Jacobs <[email protected]> wrote:
> Are these guys from upstate Maine? No, Austria... Wicked!
>
> Another for the policy wonks.
>
> http://www.mdpi.com/2078-1547/5/2/390/htm
> The Wickedness and Complexity of Decision Making in Geoengineering
> Yanzhu Zhang 1,2,* and Alfred Posch 1
> 1Institute of Systems Sciences, Innovation and Sustainability Research,
> University of Graz, Graz 8010, Austria
> 2MIND Education Program in Industrial Ecology, European Commission Erasmus
> Mundus Coordination Institute, Graz 8010, Austria
> *Author to whom correspondence should be addressedExternal Editor: Andreas
> Manz
> Received: 26 May 2014; in revised form: 29 October 2014 / Accepted: 30
> October 2014 /
> Published: 6 November 2014
> Abstract: Geoengineering, the deliberate large-scale manipulation of the
> planetary environment to counteract anthropogenic climate change, has been
> more widely considered as an accompanying strategy to conventional climate
> change mitigation measures to combat global warming. However, this approach
> is far from achieving agreements from different institutional domains.
> Geoengineering, intended to be deployed on a planetary scale, would cause
> fundamental interventions to the human-environment system and create new
> risks and problems with high uncertainty and uneven distribution around the
> globe. Apart from the physical effects, conflicting attitudes appear from
> social, economic, and environmental worldviews in the international
> community. The intertwined sociotechnical complexity and conflicting
> attitudes make geoengineering a wicked and complex issue. This article
> elaborates the wickedness and complexity from a system perspective, primarily
> for an interdisciplinary, policy-oriented audience.
>
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