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New Ice Age Data Emphasizes the Dangers of Greenhouse Gases

2011 was the ninth warmest year on record since the 1800′s, meaning that the 21st century already contains nine of the 10 warmest years in the modern meteorological record.

The dramatic temperature increases that thawed the last ice age followed spikes in carbon dioxide levels in the air, a new study finds. Researchers say that further strengthens the scientific case explaining current man-made global warming.

In the new study, scientists show the atmospheric concentration of that heat-trapping greenhouse gas jumped more than 40 percent. Then global temperatures went up about 6 degrees Fahrenheit (3.5 degrees Celsius).

What is remarkable is that when the two are plotted they rise, plateau and rise again in a striking similar way with a slight lag. The warming over 6,000 years 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 — ice and mud samples from dozens of places around the world — and found that globally, temperatures clearly went up only after carbon dioxide jumped.

“You end up with something that looks remarkably similar to the pattern of rising carbon dioxide through time,” study lead author Jeremy Shankun of Harvard University said. “This, to me, seems like pretty powerful proof of theory of the connection between greenhouse gases and global warming.”

There are two main sources of carbon dioxide, the chief greenhouse gas. The natural source comes mostly from dead plants and animals and that amplified the ice age thaw. In modern day, emissions from burning coal, oil and other fossil fuels add greatly to that natural carbon dioxide.

The ice age warming in Antarctica still appears to come before the carbon dioxide increases, which are calculated using an 800,000 year old Antarctic ice core, but there’s good reason, Shankun said.

Senator James Inhofe, a Republican from Oklahoma says the bible proves global warming is a hoax - one more shithead republican who has no business in public office.

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