In article ,
Joe Strout wrote:
...and trying to block out the Sun is not the solution.

A recent paper in Science ("Advanced technology paths to global climate
stability: energy for a greenhouse planet", 1 Nov 2002 issue) concluded
that "planetary engineering" strategies -- like partial blocking of
sunlight -- were worth exploring as a backup strategy, although more
direct solutions seemed preferable.
--
"Think outside the box -- the box isn't our friend." | Henry Spencer
-- George Herbert |