Alan,
We are agreed that there is a need for governance when there is some
expectation of substantial direct effect.
As you suggest, the physical descriptions of proposed activities should
determine whether a governance regime is triggered.
Best,
Ken
___
Ken Caldeira
Carnegie Ins
Dear Ken,
The analog I see with nuclear weapons testing is the potential damage to
the environment by the outdoor experiment. After we realized the local
effects of the radioactivity we moved testing underground, and then for
political reasons stopped testing all together.
Clearly small out
As I mentioned, the position I present below is not absolute, but there are
many reasons why nuclear weapons testing is a poor analogue for scientific
experiments aimed at understand effects of a modified albedo.
In the case of nuclear weapons testing, doing the test demonstrates the
ability to in
Poster's note : this has been lost in my drafts for literally 2 years, but
it's a good paper - so I'm sending it now. The abstract's a bit thin, so
if someone's got a copy, it would be great to have on the list.
http://www.nature.com/nclimate/journal/v2/n10/full/nclimate1528.html
Stratospheric a
This kind of thinking is dangerous:
*Even small-scale field tests with negligible impacts on the
physicalenvironment warrant additional governance as they raise
broaderconcerns that go beyond the immediate impacts of
individualexperiments.*
This is not an absolute position, but we should start
Poster's note : I personally feel that it's extremely dangerous to
"warrant additional governance" for experiments with "negligible
impacts". It potentially invites a situation which bears an
uncomfortably close parallel to the theologians refusing to look down
Galileo's telescope.
http://rsta.r
Poster's note : the referenced paper has a very short abstract, so I'm
sharing this blog post instead. Please read the post online if possible,
where important links and formatting are preserved.
http://dcgeoconsortium.org/2014/11/30/wil-burns-new-study-assesses-potential-challenges-to-beccs-deplo
I share your concern, Peter. In seeking the require blessings to move forward
with RD&D, we can point to the global scale demonstration of CDR already
occurring. As I've pointed out before (OK, like a broken record), global
atmospheric CO2 concentrations temporarily decline each year, even at th
One can save money by not making artificial tree-like CO2 catchers (and save us
that ugly unnatural sight), but by using the “technology” that the Earth has
always applied to collect and safely store CO2 for the last 4.5 billion years.
Weather basic silicates in soils (where the CO2 pressure is
I have no problem with the AGU presentation as the authors's cited the
bright water paper up front in their abstract, but I've tweeted Rebecca
Morelle asking her to read the original, whic despite the up front citation
in the AGU abstract she does not appear to have read-- and certainly does
Here is the New Republic article linked by Noah DeichThe Climate Agreement in
Lima Isn't Enough. Here's a Better Solution.
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| The Climate Agreement in Lima Isn't Enough. Here's a Bet...This new
technology stands a better chance of reducing carbon in the atmospher
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