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

To: combjelly who wrote (538110)	12/22/2009 1:03:42 PM
From: Joe NYC	Read Replies (1) \| Respond to of 1576915

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. Yes, but CO2 is a minor greenhouse contributor, and its effect is logarithmic. Meaning, if CO2 concentrations go up by 5ppm linearly, each additioal 5ppm will have less and less effect. 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... Don't know about dismal brown, but increased CO2 concentrations have already contributed to increased crop yields. Those, interested in increased plant growth (greenhouse farmers, hobbyists with planted aquariums) actually dose CO2 to turbocharge plant growth.