SCITECH
Ice age ended with carbon dioxide spikes: Study
April 04, 2012
April 04, 2012
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follows the greenhouse gas increase, just as scientific theory has long held.
This is important because, until this study, the two curves weren't quite so in sync. At some points, it seemed that the temperatures warmed before the carbon dioxide levels increased, something that climate skeptics seized upon.
How could carbon dioxide cause warming if the temperatures warmed first, argue skeptics, who are in the scientific minority.
Earlier studies had looked at carbon dioxide levels and temperature readings from Antarctica, not the entire world. A study published Wednesday in the journal Nature estimated global temperatures using 80 different proxies -
follows the greenhouse gas increase, just as scientific theory has long held.
This is important because, until this study, the two curves weren't quite so in sync. At some points, it seemed that the temperatures warmed before the carbon dioxide levels increased, something that climate skeptics seized upon.
How could carbon dioxide cause warming if the temperatures warmed first, argue skeptics, who are in the scientific minority.
Earlier studies had looked at carbon dioxide levels and temperature readings from Antarctica, not the entire world. A study published Wednesday in the journal Nature estimated global temperatures using 80 different proxies -
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