Dear Peter,
This [1] could be relevant to your workshop on oil under sea ice, late
September in Italy.
Does anybody know how they'd deal with major gas (methane) leak when
drilling in the Arctic? This would be relevant to our methane busting
workshop, London, 3-4 September, where we will
Andrew,
The group might wish to be awareof this response given by Ken Caldeira
to an article in The Guardian last year authored by Clive Hamilton:
http://groups.google.com/group/geoengineering/msg/f61a0cf43cf2fe6f
Clive Hamilton also had a similar but shorter version of the article
in the New
Here's someone who used plastic liner to collect methane released by
21 million gallons of decomposing cow manure
http://online.wsj.com/article/SB10001424052748704266504575142224096848264.html
I'm not sure whether this worked!
Cheers!
Sam Carana
On Tue, Jun 21, 2011 at 8:39 PM, John Nissen
John
The design of gas catching equipment is strongly affected by coverage
area and flow rate. I have been looking at slow gas seepage over large
areas, say a 50 by 150 metre rectangle .I can transport and deploy
something that is compact for transport but can be spread out on the sea
Dear all,
The most telling sentence in the summary of Clive Hamilton's Oxford talk is
this:
*The grip of technological thinking explains why it has been so difficult
for us to heed the warnings of climate science and why the idea of using
technology to take control of the earth’s atmosphere is
Hi Stephen,
Perhaps the membrane could be spread out on the surface of the water
just before ice begins forming - such that one can avoid the rough
underside of the ice rupturing the membrane. And one could have some
kind of circular floating barrier (pykrete*?) around the perimeter of
the
Robert and ccs
1. Thanks for the added links and information. Not yet mentioned on this list
is that your APS panel changed (added?) only one footnote (#18) - and as near
as I can tell - changed no conclusions. Still projecting $600/tonCO2, it seems.
2. As you may have noticed there has
I think the fact that they came up with cost estimates that are within an
order-of-magnitude of other approaches that have received a lot of attention
shows that this is an area worthy of additional research.
They did not say it was thermodynamically impossible or anything like that.
They said
Ron, Ken, and others:
Given that the Lima meeting is in its middle day today, let me push
everything aside to write answers to Ron's questions. I am speaking only for
myself.
1. Yes, there is only one change, aside from formatting, in the June 1
version of the APS report. We say so
Hi,
thanks for this - death of the oceans will likely accelerate climate
change and global warming and in some cases already is.
Please read our 2009 report here - with an exec sum at the beginning and
summary of conclusions in each chapter.
I leave the Lima group with a final thought. Is SRM only an emergency
strategy? What are the pros and cons of a continuous ground-bass deployment of
1 W/m^2 of stratospheric aerosol negative forcing, as an overall helper on the
margin and as a way of learning about larger deployment?
No, it
Hi,
It might be useful to engage with the NGO community and connect on some
geo-eng issues as currently, the opposition to intervening with climate
change actively is mounting.
This is a risky strategy also. Either way - to intervene or not - has
its risks and moral and ethical dilemmas.
Hi Folks,
Holly, I read your media assessment paper and found it a pleasure to see
such thought put into the subject. The concept of GE is in need of this type
of insight now and for sometime to come. Your paper can be viewed as a good
indicator as to how well the message is being reieved. I
Of course it's not only an emergency strategy.
Each group that has begun to think about it seriously has realized that.
I said just this to the group in Lima an hour ago.
David
From: Alvia Gaskill [mailto:agask...@nc.rr.com]
Sent: Tuesday, June 21, 2011 3:07 PM
To: soco...@princeton.edu;
On IPSO, BBC suggests that the report supports certain types of
geoengineering, but the long version of the summary report, which is
all that has been released, talks only of significantly increased
measures for mitigation of atmospheric CO2 (p. 8) (http://
Bob etal
Thanks for a very complete response.
I appreciate the rationale for limit of 2 or 3 or more degrees maximum, but am
going to still push for a 1.5 degree limit (ala Jim Hansen) - thinking we might
thereby get 2 or 2.5. I feel we could even do 1.5 if we got serious - and of
course we
Robert,
Setting aside SRM for the moment, have you ever revisited the wedges
paper to incorporate the full suite of potential CDR strategies? This
strikes me as an obvious way to broaden the wedge concept. I imagine
this has already been done one way or another
Josh Horton
Ken, I highly agree with your management philosophy on this issue. Any
organized effort along these lines should be as passive as possible and not
be a news maker but a respected news reporter. Also, any organization which
takes on this role will be a focal point for fringe attacks and thus will
Not having attended the Lima meeting, I am likely missing nuances
connected with the question is SRM an emergency strategy? Having
said that, my two cents observation would be that it is a bit early to
be declaring definitively that SRM is or is not only an emergency
strategy. For me the answer
All this talk of limiting warming to such-and-such a rise just annoys me.
We know far too little about carbon cycle feedbacks to be sure that we don't
hit a tipping point. Maybe there just isn't a stable region at 3c? Maybe its
2c or 6c and nothing in between.
We aren't even that certain of
Hi all,
The term emergency situation or a state of emergency can get things
going that otherwise wouldn't eventuate. Let's imagine for a moment
that the world did conclude that we're in an emergency situation. This
would have a huge impact on cost projections, in a number of ways.
As to capital
Thanks for this. I do hope the IPCC will take this on board as well,
realizing that geoengineering also encompasses such ways to tackle
methane.
Cheers!
Sam Carana
On Wed, Jun 22, 2011 at 11:07 AM, M V Bhaskar bhaskarmv...@gmail.com wrote:
Hi Micheal
Thanks.
Your proposal is quite
Hi Michael,
Thanks for all your useful comments; there is a lot I want to address about
them.
- Michael writes: I would also like to comment on your statement; *I
see our root problems as poor land use, socio-economic systems that depend
on fossil-fuel combustion, and uneven
Hi All
After studying Diatoms for past 3 years, I have listed a few questions
for which I could not find answers on the internet. Would appreciate
any help in finding answers.
1. What portion of the estimated 38000 billion tons of carbon
sequestered in the oceans is due to biological processes
Unlike the Virgin Earth Challenge, perhaps the US government might get serious
about awarding an air capture prize, though for less money. May the best idea
win (this time).
-Greg
http://www.govtrack.us/congress/billreport.xpd?bill=s112-757type=cbo
Jun 17, 2011 - Report
Budget Report for S.
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