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

To: Joe NYC who wrote (538100)	12/22/2009 11:27:33 AM
From: combjelly	Read Replies (1) \| Respond to of 1576807

"Except, Oxygen is a major element in athmosphere and CO2 is almost a trace element." So? That doesn't change anything. You need trace levels of selenium in your diet. But it doesn't take much more than that trace to turn it into a poison. "There is no danger to plant life when concentrations increase. Just the opposite. Plant growth accelerates." Which is why plants can be a carbon sink. But that doesn't change the fact that increasing CO2 concentrations also increases the greenhouse effect. "Meaning, if you want to make planet more "green" (literally), you would want higher CO2 concentrations..." Invalid conclusion. There have been massive extinctions in the past due to rising CO2 levels in the atmosphere. The planet did wind up more green in the long run, but it was sort of a dismal brown for a while...