[tt] [x-risk] Royal Society Philosophical Transactions on geo-engineering

[Eugen Leitl]

----- Forwarded message from "Hughes, James J." <James.Hughes at trincoll.edu> -----

From: "Hughes, James J." <James.Hughes at trincoll.edu>
Date: Fri, 5 Sep 2008 09:32:44 -0400
To: News and views from the IEET <ieet-news at ieet.org>,
	existential at transhumanism.org
Subject: [x-risk] Royal Society Philosophical Transactions on geo-engineering
Reply-To: For discussion of existential risks <existential at transhumanism.org>

http://publishing.royalsociety.org/index.cfm?page=1814

Geoscale engineering to avert dangerous climate change

Editors: Brian Launder and Michael Thompson

It is now recognised that the developed world is struggling to meet its
carbon-reduction targets, while emissions by China and India have
soared. Meanwhile, signs suggest that the climate is even more sensitive
to atmospheric CO2 levels than was previously thought.

Frustrated by the delays of politicians, scientists (including some at
the highest levels) have for a number of years been proposing major
'last minute' schemes that might be needed if it were suddenly shown
that the climate was in a state of imminent collapse. These geo-scale
interventions are undoubtedly risky: but the time may come when they are
universally perceived to be less risky than doing nothing.

For these reasons, it seems a good time to draw together a collection of
these macro-engineering options, and to subject them to critical
appraisal by acknowledged experts in the field. Emphasis is given to
strategies for carbon sequestration, and albedo management to reduce the
net amount of solar energy impacting and being retained by the Earth.

Geoengineering: could we or should we make it work?
Stephen Schneider

Reframing the climate change challenge in light of post-2000 emission
trends
Kevin Anderson, Alice Bows

A geophysiologist's thoughts on geoengineering
James Lovelock

Coping with carbon: a near-term strategy to limit carbon dioxide
emissions from power stations
Paul Breeze

Carrbon neutral hydrocarbons
Frank Zeman, David Keith

Ocean fertilization: a potential means of geoengineering? EXiS - FREE
ONLINE
Richard Lampitt, Eric Achterberg, Thomas Anderson, Alan Hughes,Debora
Iglesias-Rodriguez, Boris Kelly-Gerreyn, Mike Lucas, Ekaterina Popova,
Richard Sanders, John Shepherd, Denise Smythe-Wright, Andrew Yool

The next generation of iron fertilization
Victor Smetacek, Wajih Naqvi

Global temperature stabilization via controlled albedo enhancement of
low-level maritime clouds
John Latham, Philip Rasch, Chih-Chieh Chen, Laura Kettles, Alan Gadian,
Andrew Gettleman, Hugh Morrison, Keith Bower

Sea-going hardware for the cloud albedo method of reversing global
warming EXiS - FREE ONLINE
Stephen Salter, Graham Sortino, John Latham

An overview of geoengineering of climate using stratospheric sulphate
aerosols
Philip Rasch; Simone Tilmes, Richard Turco, Alan Robock, Luke Oman,
Chih-Chieh Chen, Georgiy Stenchikov, Rolando Garcia

Global and Arctic climate engineering: numerical model studies EXiS -
FREE ONLINE
Ken Caldeira and Lowell Wood

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