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To: Mark Adams who wrote (2159)	7/31/2001 2:40:19 PM
From: Raymond Duray	Respond to of 12411

Hi Mark, Did "Hard Green" address the idea of using Algae as a biomass source rather than corn? Not as such, not as I recall. There was some mention of the notion to fertilize the Southern Ocean with iron particles in order to permit the sequestration of CO2 in algal deposits there. While, on the surface (no pun intended) this might be a good idea, I think the proposal is at best half-baked. No one has a answer to the question of what the eutrophication of that water would do. But I dare say it wouldn't be pretty, or proper. R.

To: Mark Adams who wrote (2159)	7/31/2001 3:28:27 PM
From: LPS5	Respond to of 12411

There was an issue of Omni Magazine some fifteen or twenty ago (for those who remember it...it was the "Wired" of the late seventies and early eighties) in which the efficacy of bombarding a localized section of Mars with algae (the atmospheric advantages of which I don't remember the least of) before an expedition to oxygenate the vicinity, produce energy (both on the planet and to fuel the return to earth, thereby not requiring a store of fuel for the trip home), and possibly use (with some additives) as food was theorized. If all those proposed uses worked, they'd have to rename it "Space Hemp." :) LPS5