Surprise CO2 rise may speed up global warming - VeggieBoards
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#1 Old 10-10-2004, 08:33 PM
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The rate at which global warming gases are accumulating in the atmosphere has taken a sharp leap upwards, leading to fears that the devastating effects of climate change may hit the world even sooner than has been predicted.

Atmospheric levels of carbon dioxide (CO2 ), the principal greenhouse gas, have made a sudden jump that cannot be explained by any corresponding jump in terrestrial emissions of CO2 from power stations and motor vehicles - because there has been none.

Some scientists think instead that the abrupt speed-up may be evidence of the long-feared climate change "feedback" mechanism, by which global warming causes alterations to the earth's natural systems and then, in turn, causes the warming to increase even more rapidly than before.

Such a development would mean the worldwide droughts, agricultural failure, sea-level rise, increased weather turbulence and flooding all predicted as consequences of climate change would arrive on much shorter time-scales than present scenarios suggest, and the world would have much less time to co-ordinate its response.

Only last month, Tony Blair expressed anxiety that global warming's dire effects would arrive not just in his children's lifetime, but in his own, and would "radically alter human existence".

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#2 Old 10-10-2004, 09:15 PM
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Ya don't say?

Geez, I remember studying this possible effect in Jr. High Earth Science.

The ones I pity are the ones who never stick out their neck for something they believe, never know the taste of moral struggle, and never have the thrill of victory. - Jonathan Kozol
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#3 Old 10-10-2004, 10:56 PM
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Posts: 828 warming.... after just experiencing the coldest winter, spring, and summer on record, I'm becoming a little skeptical... <we wear toques all year round now.
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#4 Old 10-11-2004, 03:21 PM
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Originally Posted by superjane View Post warming.... after just experiencing the coldest winter, spring, and summer on record, I'm becoming a little skeptical... <we wear toques all year round now.

It's theorized that global warming will halt the flow of water from the equator to the north atlantic, causing a radical drop in average temperature to the NE states and to Britain.
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#5 Old 10-11-2004, 03:55 PM
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Hmm didn't I just see this movie-?..Yup, Day after tomorrow or somethin' like that..Night all-!........
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