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Politics : Foreign Affairs Discussion Group

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To: Nadine Carroll who wrote (31730)	6/7/2002 4:38:02 AM
From: Maurice Winn	Read Replies (2) of 281500

It's your lucky day Nadine. < Which climate is more "normal", today's or 12,000 years ago? No one can answer the question and it's probably meaningless.> I can answer your question. Both are normal. Neither is more normal than the other. When an ice age comes [quickly, because snow cover reflects heat whereas plants, earth and oceans absorb it] the earth rapidly cools. Deserts become wet and plants grow. That reduces reflectivity and earth warms and the green area grows. CO2 levels decrease as plant life proliferates and increases as plant life dies off. There are many cycles such as volcanic action and ocean heating which have an impact too. Our job is to change what is 'normal' to suit ourselves. Ice ages are definitely bad for nearly everyone because the main land masses get buried in kilometres of ice. Keeping it warm is the main challenge. More CO2 is good. Bringing those vast unmarked graves back to life is a great achievement. <Who do you trust, that's the question? > Trust me, Mqurice [with all the answers]

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