Re: [geo] Help: What do we know and what don't we know about solar geoengineering?

2017-07-20 Thread Janos Pasztor
at 07:48 To: Geoengineering <Geoengineering@googlegroups.com<mailto:Geoengineering@googlegroups.com>> Subject: [geo] Help: What do we know and what don't we know about solar geoengineering? Folks, This Sunday evening, I am supposed to help kick off a discussion about wh

RE: [geo] Help: What do we know and what don't we know about solar geoengineering?

2017-07-20 Thread Erik Thorstensen
To: kcalde...@gmail.com; Geoengineering <Geoengineering@googlegroups.com> Subject: Re: [geo] Help: What do we know and what don't we know about solar geoengineering? What are the most important things we know about solar geo-engineering? * It can be done, it is comparatively cheap, but pr

RE: [geo] Help: What do we know and what don't we know about solar geoengineering?

2017-07-19 Thread Andrew Lockley
know about solar > geo-engineering > >- Who decides >- Who pays for the unintended side effects >- What are the unintended side effects for different methods under > consideration >- Benefit – risk analysis over time > > > > > > *From: *<kcalde.

RE: [geo] Help: What do we know and what don't we know about solar geoengineering?

2017-07-19 Thread Douglas MacMartin
: Geoengineering <Geoengineering@googlegroups.com <mailto:Geoengineering@googlegroups.com> > Subject: [geo] Help: What do we know and what don't we know about solar geoengineering? Folks, This Sunday evening, I am supposed to help kick off a discussion about what we know and wha

Re: [geo] Help: What do we know and what don't we know about solar geoengineering?

2017-07-19 Thread Eric Durbrow
oengineering <Geoengineering@googlegroups.com> *Subject: *[geo] Help: What do we know and what don't we know about solar geoengineering? Folks, This Sunday evening, I am supposed to help kick off a discussion about what we know and what we don't know about solar geoengineering. https://

Re: [geo] Help: What do we know and what don't we know about solar geoengineering?

2017-07-19 Thread Andrew Revkin
Only thing I'd add to Klaus's nice summary is this: We don't know of a model for decision-making on a global intervention on any other issue yet that can apply neatly to this kind of action. - CFC/ozone diplomacy was about mitigating something, not adding something. - Nuclear test ban same. So

Re: [geo] Help: What do we know and what don't we know about solar geoengineering?

2017-07-19 Thread Olivier Boucher
Hello Ken, my two pence, not repeating Klaus' input. /1. What are the most important things we know about solar geoengineering?/ some techniques can cool the planet, rapidly and in a reversible way (although the impacts may not all be reversible) there are side effects, eg on precipitation

Re: [geo] Help: What do we know and what don't we know about solar geoengineering?

2017-07-19 Thread Klaus Lackner
te: Wednesday, July 19, 2017 at 07:48 To: Geoengineering <Geoengineering@googlegroups.com> Subject: [geo] Help: What do we know and what don't we know about solar geoengineering? Folks, This Sunday evening, I am supposed to help kick off a discussion about what we know and what we don't know

[geo] Help: What do we know and what don't we know about solar geoengineering?

2017-07-19 Thread Ken Caldeira
Folks, This Sunday evening, I am supposed to help kick off a discussion about what we know and what we don't know about solar geoengineering. https://www.grc.org/programs.aspx?id=17348 It would be helpful if some people on this group could attempt to answer these questions: *1. What are the