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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: TimF who wrote (316721)	12/20/2006 7:50:48 PM
From: combjelly	Read Replies (2) \| Respond to of 1575804

"Trimming CO2 production marginally is certainly doable, likely at reasonable costs" Got to start somewhere. If there is forward momentum, then there are other things that can be done to change the heat balance in the short term. Most of the extreme predictions can be discounted because the physical mechanisms don't support them, or they are on a fairly long time scale. Because there are stop gap solutions. Benford's fresnel lens, for example. Seeding iron ions in the Antarctic Sea. Sun blocking aerosols. None of these help much in a scenario of every increasing CO2 emissions. But in a regime where emissions are stabilized, they can help. But to say that we can't afford to go back to 280 ppm, so it isn't worth doing anything at all is pretty lame.