Formerly About Advanced Micro Devices Message Board

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Politics : Formerly About Advanced Micro Devices

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To: Tenchusatsu who wrote (237145)	6/14/2005 2:31:34 PM
From: combjelly	Read Replies (2) of 1572778

"But what sort of impact are we having, and is it really all that worse from the alternatives?" Good question. Certainly we don't know all we need to know to have models with predictive power. And it very well may be that without some of the greenhouse gasses we are producing we might be headed towards another ice age. We have had a measurable impact on the atmosphere for well over a thousand years. Methane production in rice fields and slash and burn agriculture likely have had a moderating effect for quite some time. But when CO2 levels have been this high in the past, the globe has been very warm. And that is playing with dynamite. Look at the climatic requirements of major crops, their productivity goes way down, assuming they are productive at all, when you try to grow them outside of their requirements of temp., water and light per day. Blindly assuming that they will grow better in warmer weather shows appalling ignorance. True, I expect this from longnshort... Or look at the fossil record. All eras of climatic change are marked by waves of extinctions. Now true, when things bounce back, sometimes there is a higher carry capacity. Cold comfort for the extinctees...

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