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In reply to the discussion: Astronomer royal calls for 'Plan B' to prevent runaway climate change [View all]snagglepuss
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Astronomer royal calls for 'Plan B' to prevent runaway climate change [View all]
bananas
Sep 2013
OP
Cool. So long as we walk into the bloodbath with our eyes open, it's all good.
GliderGuider
Sep 2013
#20
"Greenpeace's chief scientist, said that Rees was right about the many downsides and unknowns"
bananas
Sep 2013
#6
AC creates heat while cooling a space. Turn them all OFF for the desired effect & save energy.
Coyotl
Sep 2013
#68
I'm afraid he's right--geoengineering is the only thing that will save us.
Peace Patriot
Sep 2013
#19
In a 'planetary crisis', you need to think about fixing the planet
muriel_volestrangler
Sep 2013
#33
Well, I admit I'm fantasizing that we could put NASA's technology geniuses in charge...
Peace Patriot
Sep 2013
#37
This is put forward as a claim to solve the environmental problems on Earth
muriel_volestrangler
Sep 2013
#44
It took hundreds of millions of years for cyanobacteria to build up enough oxygen in the atmosphere
muriel_volestrangler
Sep 2013
#49
What is the pollution from running 3D printers on earth that needs to be avoided?
muriel_volestrangler
Sep 2013
#64
It will neither save nor destroy us, but it will stave off the inevitable--collapse of civilization
Kennah
Sep 2013
#74
How much energy do you think it takes to build and launch an "interplanetary Conestoga"?
muriel_volestrangler
Sep 2013
#40
"energy or materials ... are actually quite abundant in space" - no, materials are not
muriel_volestrangler
Sep 2013
#43
"These are small, inexpensive and so simple that you could build one in your garage"
muriel_volestrangler
Sep 2013
#70